lever principle 中文意思是什麼
lever principle
解釋
杠桿式剪切機-
The main contents in the paper are as follows : ( 1 ) the operational principle of the hydraulic automatic tilting gates with connecting lever and rolling wheel were analyzed. using block diagram, the author elaborated on the running course and steady factors of the tilting gate. then the instantaneous running center in the running course of the tilting gate was brought forward, and the trochoid of the center was described
本文研究的主要內容如下： （ 1 ）分析闡述了水力自動翻板閘門的工作原理和運轉機理，結合框圖詳細分析說明了翻板閘門的運轉過程及其穩定條件，給出了閘門在運行過程中的瞬心軌跡線，分析研究了閘門運動過程中的基本平衡方程。 -
Because to calculate the shadow prices of the agriculture production factors give the feasible methods to help government use economic lever to effectively dispose the agriculture production factors, so it is significant in theory and in practice. 2. approaches to use the interrelated index to compare the history trends, so we can recognize the situation about the scarce agriculture production factors, to use the principle logical to analyze the supply - demand mechanism of the main agriculture production factors in china, to use stochastic frontier production function and marginal productivity theory to calculate the shadow prices of the production factors, to use drc index to assess international competitive of the china main agriculture products
本文的主要研究方法為：在分析中國主要生產要素的稀缺度變化時，進行同類指標的歷史變化比較研究，從而認識主要農業生產要素稀缺性變化的趨勢與規律；在分析中國主要生產要素的供需機制時，進行相關概念為基礎的理論邏輯分析，建立供需機制決定的理論模型；在測算農業生產要素的價格時，使用邊際生產力理論和隨機前沿生產函數方法；在評價中國主要農產品的國際競爭力時，使用國內資源成本系數方法。 -
The analysis shows that it has good performance even with unsymmetrical load. this paper mainly describes the circuit scheme, operation principle, parameter design of this three - lever hysteresis current controlled inveter and analyses the stiffness and stability of the system
本文主要介紹了三態電流滯環控制型逆變器的電路結構、工作原理和主要參數的設計，並對系統的外特性和穩定性進行了分析。 -
This seismograph was invented by zhang heng in a. d. 132, as the world ' s first instrument to sense earthquakes. it used the principle of inertia, using pendulum and lever mechanics
公元132年張衡發明製造侯風地動儀是世界上第一臺感知地震的儀器。地動儀利用慣性原理、以擺和杠桿機械為主的結構模式，測定地震和方向。
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