power of a set 中文意思是什麼
power of a set
解釋
集合的勢-
File power : sacd a beginning position the oneself in the hi - end class, the first pedestal flagship that release the scd - 1 is to it may be said and very do to develop a fever it can matter, regardless internal use the, whole machine craft to all and strictly press hi - end phonograph the specification the design, later on low file model of inside that release too strict according to decorous and cool - headed, use the to really develop a fever the principle design the manufacturing. it is deep to suffer the that large hi - fi develop a fever friend with affirmative. but dvd - audio chen s at with in the fighting of sacd, always regard as the dvd - audio to is on cultivate flowersing the fee not much, quite good function affixture of result is in the universal type dvd on board proceeding of video - disc publicity of, is a kind of boulevard goods to the person s impression, dvd - audio that add the function is numerous but not and with single mind, the fuselage of airplane is thin, and use the general, so develop a fever the friend heart the inside to is not good - looking in the large stereo set, from but lost the sacd on the file time
檔次方面： sacd一開始就把自己定位於hi - end級別，索尼推出的第一臺旗艦scd - 1可謂極盡發燒之能事，無論內部用料整機工藝都嚴格按hi - end唱機規格設計，以後推出的中低檔機型也嚴格按厚重沉穩，用料實在的發燒理念設計製造。深受廣大hi - fi發燒友的青瞇與肯定。而dvd - audio陳營在與sacd的爭斗中，一直把dvd - audio當作是一種花費不多，效果不錯的功能附加在普及型dvd影碟機上進行宣傳的，給人的印象是一種大路貨，加之dvd - audio功能眾多但並不專一，機身纖薄，用料一般，故在廣大音響發燒友心目中並不好看，從而在檔次上輸給了sacd 。 -
First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。 -
To measure, calculate, display, print sound intensity sound pressure, sound power, three dimensional sound intensity spectrum, equal intensity contour are all deeply studied. a set of software using multiple document interface ( mdi ) running under microsoft windows platform is developed
本文就聲強、聲壓、三維聲強譜、等聲強線以及a計權、 1 / 3倍頻程的測量、計算、顯示、列印等進行了深入的研究，並編制了一整套運行於windows平臺的圖形化多文檔界面聲強測量分析軟體。 -
The priests lost no power when they set up a king dependent on them in place of the village godhead
當依賴于神權的國王出現后，取代鄉村神父時，神權並未淪喪。 -
Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators
此方案將監測點放在後置功率放大器的後面，從分束器中分出99 ： 1的光進入光頻譜掃描模塊，傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。 -
Fsss ( furnace safeguard supervisory system ), which is used in e1der unit that has been brought into operation, of the 1arge and fnediumsized therma1 power p1ant. after understanding the system structure and characteristic of action, rea1izing the theory of fsss, quondam 1ogic of unit is ana1yzed a11 - - sided. based on these, a set of method, which is about technica1 retrofit, is found out
本文以大中型火電廠已投運老機組1的fsss系統為研究對象，在深入了解fsss的系統結構和運行特點，準確掌握fsss系統的防爆理論和爐膛燃燒管理方法的基礎上，對已有的機組邏輯進行全面的分析，並充分考慮了本系統中理論與實際運行時的差別，在系統選型。 -
With the purpose that people in countryside and rural area can listen to the sounds of communist party and chinese government, “ xi xin project ” has been carried out state general bureau of the radio and television and set up tens of 500kw sw radio transmitters, ten of them were installed, whom were th558 with find power amplifier, a kind of ultrahigh power mental - ceramic tetrode from french thomson company
為使我國廣大農村和邊遠山區群眾能聽到黨和政府的聲音，國家廣播電視總局組織實施了「西新工程」 ，部署了數十部500kw短波廣播發射機，其中十部的末級功率放大管採用法國湯姆遜（ thomson ）公司生產的th558超大功率金屬陶瓷四極管。 -
Traditional power control algorithin is to use a convergent iteration fimtion to set up a mathematical model. when such method is used to control the power of user, we should find the optimum solution vector of the convergent iteration funhon by iteration transform
在傳統的功率控制演算法，通常採用某個迭代關系式為其建立某一的數學模型，該迭代關系式應滿足收斂特性。 -
After a nationwide restructuring of colleges and departments in 1952, the department was renamed as the department of machine manufacturing, comprising 5 disciplines manufacturing technology, foundry technology and equipment, forging and pressing technology end equipment, welding technology and equipment, and etall. graphy and heat treatmento in addition, on the basis of the original power machinery teaching group, the department of power machinery was set up, having 3 disciplines : thermal electr
1952年院系調整，更名為機械製造系，設機械製造工藝鑄造工藝及設備壓力加工工藝及設備焊接工藝及設備金相熱處理5個專業，並且由原動力組擴建成立了動力機械繫，正式設有熱力發電后改為鍋爐燃氣輪機汽車拖拉機3個專業。 -
On the basis of forefathers " research results, the author combes and concludes the single file clause of sporadically appeared on its legislation. combining the relevant literature, the author tests and analyses the local criminal judicial proceedings, and finds that from the prosecuting to the accepting, inquisiting and finally to the judgement, it forms a set of intact and close workflow, all links with one another, ensuring the smooth enforcement of national judicial power
筆者在前人研究成果的基礎上，通過對其立法上散見的單行條款進行梳理、歸納，並結合相關文獻，考析其地方刑事訴訟程序，能夠發現從起訴到受理，到審訊，到判決，形成一套完整細密的工作流程，環環緊扣，保障著國家司法權力的順暢行使。 -
Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm
接著，對信號功率譜、平方譜及四次方譜進行研究，針對通信中常用的調制方式，結合前人提出的基於決策理論中的特徵參數，設計了一組對信噪比和信號調制參數不敏感的分類特徵參數，利用上述參數完成了一種基於信號頻域的識別方法，可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。 -
According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。 -
A new vehicle power split continuously variable transmission system ( pscvt ) is presented in this paper. the system consists of a variable pulley set, a planetary train, two electromagnetic clutches, a electromagnetic brake etc. electromagnetic clutches and brake are controlled by ecu
針對微型汽車，本文提出了一套功率分流式汽車無級變速系統，系統由一組可變帶輪半徑的帶式無級變速裝置和一組行星輪系、離合器及電子控制單元等組成。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
The problem of load flow and reactive power optimal of hv network is deeply researched in this paper for the need of high - level application software of power systems auto - regulation system. combined the matlab and modem optimal theory, a set of reactive power optimization software based on oop ( object oriented programming ) is developed
根據電力系統調度自動化系統高級軟體應用的需要，本文結合matlab和現代優化理論，對高壓網路潮流和和無功優化問題進行了深入研究，並成功地應用面向對象技術開發了一套實用的無功優化軟體。 -
Though not in line with the present laws and policies concerning real estate, many of the conclusions in this thesis result from the writer ' s long years of study and practice. these conclusions are as follows. law should not put a restriction to the assignment of the right to the use of land ; acceptance terms in the commercial housing advance sales are parts of its contract and are legally binding on the signatory parties ; the system should be set up to permit the assignment of collective ownership of land and the compensated use of curtilage in rural area ; law should permit the selling of rural houses to non - agricultural population ; the bona fide acquistio n should be applicable in china ; by analyzing the leagal theory and relevant cases concerning the dual purchase and sale of real estate, it is held that while stressing the power of registration, laws should protect the interest of the well - meaning party who faultlessly fails to register, and individuals should be regarded as the subject in the exclusive selling contract of commercial housing
本文是筆者長期工作實踐和精心研究的成果，許多見解與現行房地產法律、法規不一致，本文主要的創造性成果和新見解概括如下：法律不應當對土地使用權轉讓條件加以限制；預售商品房廣告承諾是商品房預售合同的組成部分並具有法律約束力；建立集體土地使用權轉讓制度和宅基地有償使用制度，許可農村房屋出賣給非農業人口，促進農村房地產業的發展；我國應適用不動產善意取得制度；通過對房屋雙重買賣法律問題的理論和相關案例分析，認為在強調登記效力的同時，應注意對善意一方當事人非因其過錯而未進行登記情況下的利益保護；個人應當成為商品房包銷合同的主體。 -
The plastic qian bing of clamp of a kind of tool, what narrate plastic qian bing to be able to cover the part holding a power of park tool clamp, among them, the integral structure of plastic qian bing wraps synthesis by sub of one horniness model and photograph of sub of one soft qualitative model model, form in its whole structure have one with grasp can cover firm between the handle those who close wear a ministry, its feature depends on : sub of this horniness model is one by on, lower mould shapes directly, in its two side surround motherboard form have wear the side that cover a ministry, the mouth office that equips a ministry in its is formed have wear the side that cover a mouth, and empty section structure is shown to appear empty coping completely in its coping ; narrates weak qualitative plastic data is filled set in aforementioned to wear the side that cover a ministry, wear the side that cover a mouth and top between fully empty section, form soft wrap cladding plasticly character, shape wear the structure that cover a ministry
一種工具鉗的塑膠鉗柄，所述塑膠鉗柄可套置於工具鉗的握柄處，其中，塑膠鉗柄的整體結構由一硬質塑膠層以及一軟質塑膠層相包合成型，並在其整體結構中形成有一與握柄間可穩固套合的穿套部，其特徵在於：該硬質塑膠層為一由上、下模直接成型、在其底板兩側邊圍形成有穿套部側邊，在其穿套部的開口處形成有穿套口側邊，以及在其頂部為一完全透空的頂部透空區段結構；所述的軟質塑膠材料填設在前述的穿套部側邊、穿套口側邊以及頂部透空區段間，構成軟質塑膠的包覆層，並成型穿套部結構。 -
The energy management system ( ems ) is a computer system comprising a software platform providing basic support services and a set of applications providing the functionality needed for the effective operation of electrical generation and transmission facilities so as to assure adequate security of energy supply. unfortunately, the traditional ems does not meet the need of power market. it is difficult to develop the new application software on ems
能量管理系統（ energymanagementsystem ， ems ）是一套為電力系統控制中心提供數據採集、監視、控制和優化，以及為電力市場提供交易計劃安全分析服務的計算機軟硬體系統的總稱，它包括為上層電力應用提供服務的支撐軟體平臺和為發電和輸電設備安全監視和控制、經濟運行提供支持的電力應用軟體，其目的是用最小成本保證電網的供電安全性。 -
In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )
與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。 -
This machine is willing to have a high production ability, the gum anticipates temperature low, the electric power consumes little, quality good, the petrochemistry even etc. characteristics, so used for the gum tube, inner tire broadly, tape inner pad layer, seal completely, electric wire, electric cable, protect the ware extrusion of a set of etc. rubber to prepare to take shape
用途介紹:本機具有生產能力高，膠料溫度低，電能消耗少，混合質量好，塑化均勻等特點，因此廣泛地用於膠管，內胎，膠帶內襯層，密封條，電線，電纜，護套等橡膠製品擠出預成形。
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