root circle 中文意思是什麼
root circle
解釋
齒根圓（根圓）-
Contact pressure, hysteresis and no - even pressure ratio of no - gradual - enlargement finger seal under different length ratio and root circle of no - gradual - enlargement finger seal are constructed and analyzed, rules are summarized
本文對非漸擴形結構指尖密封在不同寬度比和根圓外徑下的接觸壓力、遲滯率及偏載率等特性進行了作圖、分析，得出了相應的規律。 -
Main point : when butterfly circle, along with proper order small “ yu ji ” root of palm, big “ yu ji ” and four fingers with slow and sort strength
要領：蝶轉時，著力點依小魚際，掌根，大魚際，四指端的順序周旋，要緩慢，柔和。 -
As long as the root of the characteristic equation is within the unit circle of z - plane and the corresponding pid parameter is got, the closed loop control system is sure to be stable. although the root of the characteristic equation can vary within the unit circle of z - plane, different value may affect the control property differently. therefore, it is better to optimize the root, here the optimizing method is carried out by genetic algorithm
本文所採用的這種確定pid參數的方法，雖然可以使特徵方程的根在z平面的單位圓內任意取值，但各種取值情況對變風量空調系統的控製品質的影響卻不同，因此，要對各種特徵方程的根的取值情況進行尋優，本文採用遺傳演算法對特徵方程的根進行尋優，從而使控制器的參數得以優化。 -
Starting with the root of the vicious circle of poverty, it analyses the three poverty traits and the reasons of meizhou region ' s poverty, then analyses the negative effects of the lag in urbanization on the development of society and economy in meizhou region
根據貧困所表現出的三大社會經濟特徵，並從貧困惡性循環的根源入手，對梅州貧困地區社會經濟落後的原因作了多方面、多層次的分析。針對貧困地區城鎮化滯后的狀況，就城鎮化滯后對梅州社會經濟發展的負面影響進行了剖析。 -
In one hand, indeed it is safeguarding social order and civilization, representing will of country and her people, justice and truth ; in the other hand, can not deny that the dark extreme side of human beings is exposed, in an extremely cruel way - - - ds has never been able to disconnect with its root, “ to crack down violence by violence ”, never been able to derail the historical circle, though the ways of execution have been keeping changing
一方面它確實是在維護著社會的秩序和文明，代表了國家、人民的意志，代表了正義和公理；但是，它確實又以極殘忍的方式暴露了人類非常極端的另一面，盡管執行死刑的方式一直在變，卻仍然是萬變不離其宗，還是「以惡報惡」 ，脫離不了歷史的循環。
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