high average 中文意思是什麼
high average
解釋
最高平均分-
The magnet of kaiyuan ct permanent canister magnetic dressing machine is made of the high quality ferrite material or rare earth alnico. magnetic separator the average magnetic induction of the canister surface is 100 - 600mt
磁選機-豫重牌ct永磁筒式磁選機的磁系，採用優質鐵氧體材料或與稀土磁鋼復合而成，磁選機筒表平均磁感應強度為100 600mt 。 -
The readers of national geographic traveler are relatively superior than the average level of chinese high income group whether from their educational backgroud, position, annal individual and family income
無論從學歷水平、職位狀況，還是從個人年收入、家庭年收入來看， 《時尚旅遊》的讀者構成都優于中國新富總體平均水平。 -
Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering
本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上，以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線，從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上，進一步發現了信息網路所具有的一些新特徵: 1 ）網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系，具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 ）網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 ）網路微觀拓撲結構中的存在很強的集聚性（平均聚團系數很高） 。 -
The present thesis is devoted to improving the excitation of the laser media ( gas mixture ) in the resonator of the high - average - power tea co2 laser by means of reinforcing the pre - ionization and eliminating the harmful impurity
本文正是從提高預電離及清除混合氣中的雜質這兩個方面研究改善高平均功率teaco _ 2激光器腔內介質（混合氣體）的激發性能的。 -
High power diode laser is the requirement to research on the high - average - power diode - pumped solid - state lasers, so the package techniques of the diode laser is studied first in this thesis
高功率二極體激光器是開展高平均功率dpl研究的必要條件。本文首先研究了高功率二極體激光器封裝技術，二極體條散熱冷卻是高功率二極體激光器封裝要解決的核心問題。 -
The main practices which lead to these high average yields are pest and weed control, time of planting and fertilizer use
使水稻單產提高的主要措施是病蟲害和雜草防治、適時播種和施肥。 -
Gyrotron has the superiorities, high peak power and high average power. so gyrotron is vastly applied in many areas, such as plasma heating, controlled thermonuclear fusion ( ctf ), radar, communication, electron countermeasure
迴旋管具有在毫米、亞毫米波段其他器件無可比擬的高峰值功率、高平均功率的優越性，因此在等離子體加熱、受控熱核聚變、雷達、通信及電子對抗等方面都有著廣闊的應用前景。 -
It shows that the coaxial disk cylindrical waveguide with longitudinal ribs, which is one of large diameter, all - metal structure and allows for high average power capability, can improve the propagating wave ' s characteristics and gain a relative broad bandwidth by means of modifying the geometrical dimensions of the circuits
結果表明：脊加載盤荷波導是一種尺寸大，功率容量大的全金屬結構，在加脊后可以改善導波特性，提高帶寬。二、對脊加載盤荷波導注波互作用的線性理論進行了研究。 -
The liquid cooler with high cooling efficiency is the key techniques in high - average - power 2d - stackes package
對于高平均功率二維陣列封裝，關鍵是高效液體冷卻器技術。 -
Scarcity of small, economical terahertz source which can offer continuous wave of high average power is the main limitation for a broad application of terahertz technology
然而，缺少體小便捷、經濟適用以及能提供連續的、平均功率較高的太赫茲輻射源是限制太赫茲技術更廣泛應用的主要因素。 -
A new terahertz source of folded waveguide traveling - wave - tube which based on vacuum electronics is introduced, which may answer the question for scarcity of small, economical terahertz source with continuous wave of high average power. secondly, transmission characteristics of terahertz wave in the periodic slow wave circuit of folded waveguide traveling - wave - tube have been researched combined with development of micro - fabrication technology. dispersion relation and interaction impedance of the slow wave circuit are deduced by the way of equivalent circuit, and results accounted by theory are close to those simulated by software
其次，結合計算機模擬技術對這種新型太赫茲輻射源的折疊波導慢波線路傳輸特性進行研究:用等效電路法從理論上推導了慢波電路場、色散關系及線路耦合阻抗，電磁模擬軟體計算得出的慢波電路色散曲線與理論計算所得結果基本上一致，表明這種尺寸的慢波電路在太赫茲頻段有著色散曲線較平坦以及寬帶、低損耗的良好傳輸特性。 -
Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together
本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。 -
By using these mode - locking devices on novel thin - disk solid state lasers and optically pumped vertical - external - cavity surface - emitting semiconductor lasers ( opsvf. csel ) to obtain high average output power ultrashort pulses are stated, and it is emphasized that the study of high average output power ultrashort pulses laser can be accelerated greatly by using the quantum dot sesam
綜述了利用半導體可飽和吸收鏡被動鎖模薄片式固態激光器及光泵浦垂直外腔面發射半導體激光器，獲得高平均輸出功率超短脈沖的最新進展，並指出量子點半導體可飽和吸收鏡的使用將加速超短高功率脈沖的發展。 -
B2b companies - with high average sales and expensive sales cycles - that savor the opportunity to get in with buyers early in the process are the ones that stand to gain the most
那些平均銷售額很高、銷售周期很長的b2b公司，在采購周期中越早與購買者交往將獲得最多。 -
Thirdly, the structure of ejecting in the base region with unmatched pressure ( sebup ) is introduced. the sebup can produce a high average pressure in the laser chamber, while the low pressure which is needed by the active medium is set up locally too. the steady flowfields and the unsteady flowfields in start - up course of sebup are also simulated with cfd method, and the experiment of sebup is made. the
在本文最後，根據以上研究的結果，提出了「基區非匹配壓力引射結構」 。這一結構的特點是，它能夠在提高光學諧振腔的平均靜壓力的同時，建立出有利於出光的局部低壓區。本文用cfd技術對它的穩態和啟動的瞬態流場進行了模擬，並實施了實驗。 -
Rf windows of low reflectivity and absorption for high average power gyroklystrons
低反射低吸收高平均功率輸出窗的設計 -
The normal glow discharge between the main electrodes and the rapid flow of the unpolluted gas mixtures are necessary conditions for the output of high average power for tea co2 laser
主電極間正常的輝光放電以及使混合氣快速流動且不被污染是重復頻率teaco _ 2激光器實現高平均功率輸出的重要條件。 -
Future mobile communications have to support the transmission of high rate data and multimedia applications in the radio spectrum, which is already extremely scarce. the basic idea of adaptive coded modulation is to maintain a constant throughput by varying the transmitted power level, symbol transmission rate, constellation size, coding rate or any combination of these parameters. thus, without sacrificing bit - error rate ( ber ), these schemes provide high average spectral efficiency by transmitting at high speeds under favorable channel conditions, and reducing throughput as the channel degrades
自適應編碼調制（ adaptivecodedmodulation ， acm ）的基本思想是在不犧牲系統傳輸性能（比如ber ）為代價的前提下，通過單獨改變發送功率、波特率、編碼方案、碼率、調制方式，或者是綜合改變前面所述的各種參數，在有利的通道條件下，獲得較大的吞吐量，當通道質量下將時，相應地降低傳輸速率，最終達到提高平均頻譜效率的目的。 -
The central wavelength of 808nm, fwhm of 2. 2nm and e - o efficiency of 45 % are achieved. most of the experimental results about high - average - power diode laser package have not been reported in previously published paper in this field
利用該冷卻器實驗封裝出連續輸出1kw的二維陣列二極體激光器，激光中心波長808nm ，譜線寬度2nm ，電光效率達45 。 -
Opo is one of the most promising all solid state source of coherent radiation that is tunable over a broad wavelength range and high average power output with a high conversion efficiency. the application and exploitation of it has important value of not only in theory but also practicality. but the development of opo requires the high optical quality and high damage threshold crystals
Opo是一種具有廣泛應用前景的全固化相干輻射光源，而且具有寬的調諧范圍、高的輸出功率、高的轉換效率等特點，使opo的應用和開發具有重要的理論和實用價值，但是opo的發展需要有高的光學特性和高的抗損傷閾值的晶體。
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