She is a nurse's aide.她是护士的助手.He was supposed to act as the marshal's aide.他的职责是作指挥官的副官.An aide to the governor will be at the hearing here this afternoon.州长的一位助手要来出席今天下午的听证会....
通过推导,找到双棱镜干涉实验中虚光源间距的最佳测量位置,从而减小间接测量引入的误差,提高测量精度.The optimum measuring position of virtual source in Fresnel double prism experiment is found by derivation.通过实验结果作出正交双棱镜干涉的光强度分布曲线.The distribution curves of light intensi...