B. G.
英
美
[医] 颊龈的
双语例句
- Red appears b. g., a distant figure walking out across the sand, wearing his cheap suit and carrying his cheap bag.
瑞德出现（头背景处，一个遥远的身影在走过沙滩）穿着便宜的西装，拎着廉价的提箱。 - In this paper, we have given the propagator matrix of elastic wave in a lateral homogeneous medium for B. P. G. coordinate system. This propagator matrix may be represented with five matrix factors, among which four matrices are independent of the frequency.
本文在B、P、C坐标中给出了弹性波在横向均匀介质中的传播矩阵，并将其表示为五个形式简单的矩阵乘积，其中有四个矩阵是与频率无关的。