高度變動 的英文怎麼說
中文拼音 [gāodùbiàndòng]
高度變動
英文
height oscillation-
The statistics and analysis indicates that the amount of alb and b2 - mg is closely related to the player ' s training level and their in tensity of exercise, and that it is the law that the amount in creases with the increase of intensity of exercise
統計分析發現:尿alb , _ 2 - mg的含量與運動員的訓練水平及運動中所承受的運動強度關系密切,一般表現為含量隨強度的增加而升高的變化規律。The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速度較快, 7月份以後生長速度緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被蓋度;同其它3個樣地相比,純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。The hong kong monetary authority hkma has revised the hkma page on reuters to further enhance the transparency of its market activities. starting from today thursday, the hkma page provides a forecast of changes in the aggregate balance of the banks clearing accounts with the hkma aggregate balance attributable to hkma s foreign exchange transactions
香港金融管理局金管局為進一步提高其市場運作的透明度,自今日星期四起,已修訂金管局在路透社的專頁,提供有關金管局所進行的港元外匯交易將會引致銀行體系結餘總額結餘總額變動的預測。Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。This dissertation aims to probe into the institutional changes and institutional clashes between the enlarging european union and the central & eastern european countries ( ceecs ), as well as to construct a tentative theoretical innovation to account for institutional interactions between them. supported by political neo - institutionalism and borrowing institutional concepts from nobel prize - winner douglas north, the dissertation is set against a background of the dual process of institutional expansion by the eu and active institutional convergence on the ceecs " own accords. starting from the positive and negative impacts triggered by eu enlargement on both the eu ' s and the ceecs " political, governance and economic institutions, the dissertation carries out a systematic study of the partial adjustments and comprehensive reforms on the part of the eu, as well as of the europeanized transformation of the domestic institutions in the accession countries
本文以新制度主義政治學為理論支點,以歐盟通過東擴實現制度擴張及中東歐向歐盟制度主動趨同的進程為背景,以東擴引發的制度變遷和制度對撞為研究對象,從分析考察東擴進程對于雙方政治權力制度和經濟治理制度的雙向沖擊及正負面影響入手,系統研究了歐盟東擴引發的歐盟制度局部調整與全面改革、及中東歐新成員國國內制度的歐洲化轉軌之雙重進程,分析總結出東擴制度互動的規律、模式與渠道,並在此基礎上構築了一種解釋轉型國家與超國家機構之間制度互動的實驗性理論模型「錮囚鋒理論」 ,從理論高度上對現實規律進行歸納。The first exponential has been introduced to allow for variation of amplitude with attitude.
前面的指數是為了考慮波動振幅隨高度變化而引入的。In this paper we improved the traditional sa algorithm, and the heuristic algorithm is applied to the search and move schedule. the neighborhood is changed from the fixable to the alterable, the operation of moving and rotating is alternate, and the precision of the solution is then guaranteed as well as its convergence speed
本文對傳統的sa演算法進行了改進,在演算法的搜索策略和變動策略中應用了啟發式方法,由定鄰域搜索變為變鄰域搜索,平移和旋轉變動交替進行,既保證了解的精度又提高了其收斂速度,取得了良好的布局效果。The effect of groyne length and layout on water surface is analyzed in the paper. based on the results of simulation and experiment, the local energy loss of the flow due to the groyne is studied. consequently the surface variation and height of damming are also analyzed
論文分析了丁壩長度與布置對水面線的影響,根據流場、紊動場模擬結果和實驗結果研abstract究丁壩造成的水流局部能量損失,並對水面變化和丁壩奎水高度進行了分析。Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。The dynamic performance of a ram air system will vary with mach number and altitude and this tends to follow the aerodynamic characteristics of the missile.
像導彈空氣動力特性一樣,沖壓空氣式系統的動態特性隨馬赫數和高度的變化而變化。Aiming at the problem that existence in the monitoring of simulate disk in local power grid, to enhance the level and efficiency of the electricity dispatch, to improve operation procedures, to change the troublesome work about 6kv line simulation disk, 35kv transformer substation and 6kv substation host cording diagram revision and maintenance from man - power, manual promotion to direct - viewing, real - time and work flow high automation level
針對地方電網「模擬盤」監視中存在的問題,為提高電力調度工作水平和效率,完善操作規程,把煩瑣的6kv線路模擬盤、 35kv變電所和6kv配電所主結線圖的修改和維護工作從人工、手動提升到直觀、實時和工作流程高度自動化水平,實現電力調度日報、月報及日常管理實現規范化、自動化。The results of the experiment are in good agreement with the data of theoretical calculation and the actual conditions of earthquake calamity. these data and information give a convenience for the following work. the finite element analysis ( fea ) has been completed within the environment of ansys
有限元分析主要以ansys為工具對煙囪進行了動應力計算,得出了在不同地震波水平和豎向激勵下動應力隨高度分佈情況,並據此繪制了動應力隨高度變化曲線圖。Cash and cash equivalents comprise cash on hand and demand deposits, and other short - term highly liquid investments that are readily convertible to a known amount of cash and are subject to an insignificant risk of changes in value, having been within three months of maturity when acquired
現金及現金等值項目包括庫存現金活期存款,及其他短期高度流動投資項目,短期高度流動投資是指可隨時轉換為已知數額的現金,其涉及的價值改變風險不大及於購入時於三個月內期滿的投資。The physiological adaptation of an animal or a plant to changes in climate or environment, such as light, temperature, or altitude
適應氣候動物或植物在生理上對氣候或環境的變化,比如光線,氣溫或高度變化的適應That digital electro hydraulic control system possesses characteristics of quick and precision in governing, modifing speed regulator on line, realizing automatic turbine control and valve manage. are stated
說明了數字電液控制系統具有調節速度快、精度高、可在線修改速度變動率、可實現汽輪機自啟停控制和閥門管理特點。It was n ' t be obviated by man - made error and dynamic variations of engineering geological environment on the subaqueous delta that these geological hazard events occurred. especially in the extreme of marine condition, the element of engineering geological environment was acutely variation in time and space
這些地質災害事件的發生雖然不能完全排除人為誤差所致;但同樣不能排除的另一類可能,是黃河水下三角洲的工程地質環境處在高度的動態變化中,尤其在極端海況時,工程地質環境要素隨時間和空間可能發生劇烈變化。When the liquid heights change, an "error" signal is produced and amplified to drive a servomotor.
當液柱高度變化時,產生一個「誤差」信號,經放大后驅動伺服馬達。Abstract : on the base of the traditional algorithms of the sun ' s orbit, an algorithm of the apparent motionof the sun ' s orbit for the marine simulator is given, and in order to realistically simulate the apparent mo - tion of the sun, a new method of the transformation of the coordinates is proposed
文摘:在傳統天文學的天體視運動軌跡計算方法的基礎上,給出一種在航海模擬器中應用的太陽視運動軌跡的計算方法,並且針對太陽在視運動當中高度變化的特點,提出了一種新的坐標變換方法,以逼真模擬太陽的視運動分享友人