Conversion of word classes is frequently used in translation.
查看答案
Actually, the passive voice is more commonly used in English than in Chinese, especially in the writing of science and technology.
尽管荷载引起的位移是实实在在的真实位移,在这里却被称作虚位移。
公式等号左侧的Δ是待求位移,从理论上也是单位力所做虚功。
变形体虚功原理不仅适用于线弹性体系也适用于非线弹性体系。