main steering arm是什么意思

用法例句

Host transfer of Beauveria bassiana population in pine stand ecosystem and impact of its genetic diversity on sustainable control of Masson s pine caterpillars.;

球孢白僵菌种群在松林中的寄主转移及遗传多样性对松毛虫持续控制的影响

The virulence of strains in the same esterase type also changed obviously after host transfer.

结果表明,不同酯酶型株系对松毛虫的毒力差异显著,LT50可相差数倍;同一酯酶型株系经不同寄主转移后,其毒力也发生了较明显的变化。

The one contains the lower powers of deformation gradient, by which the formula of the principal rotation angle and the explicit representation of principal axis are obtained; the other, a high efficient method to obtain the rotation tensor, does not contain the complicated coefficients and uses few variables.

本文利用Ｃａｙｌｅｙ＿Ｈａｍｉｌｔｏｎ定理，给出了两种直接获得转动张量显式表示的方法·一种为只含变形梯度较低次幂的表达形式，利用此表示，获得了主转动角的计算公式和主转动轴的显式表示·而另一种则是不含复杂系数且含变量个数较少的高效获得转动张量的方法·进一步，给出了主转动角和主转动轴的一些性

Subversive Democratization:A Mechanics-gambling Analysis of Philippine s Democratic Transition and Its Dependent Forces;

颠覆型民主化:菲律宾民主转型的力学博弈及依靠力量

Similarities and Differences between the Philippines and Indonesia in Democracy Transformation——An Examination on the Transformation Reasons of The Third Wave:Democratization In The Late Twentieth Century;

菲律宾与印度尼西亚民主转型原因之异同——对《第三波》转型原因观点的验证