A kind of compensatory mechanism exists somewhere in his nervous system. 它神经系统的某些地方存在着一种补偿性机理。
By comparing the results of two tests on different asphalt mixtures, the mechanisms of the crumb rubber-modified and fibers-reinforced asphalt mixture are analyzed. 摘要通过比较几种试验方案,从不同的理论角度分析纤维加筋和橡胶粉对混合料的改性机理。