B Ratio 订单出货比 ; 市净率 ; 前后比 ; 市账率
M-B RATIO 断续比
cd b ratio 镉比
mole ratio of solute B 溶质B的摩尔比
mark-b o-space ratio 标间比率
c b receptor ratio c3b受体花环率
B. Exhibiting a high ratio of output to input.
展示高比率的输出到输入。
Pump and pump developed can realize high precision A/B with the ratio of 1:1 feed feeding function.
自主研发的泵胶和定量泵能够实现高精准的A/B以1：1的比例供料送料功能。
The combination of three parameters of Doppler is pulse index (PI), resistance index (RI), A/B ratio together with.
用搏动指数、阻力指数、A/B比值，结合二维实时显像对胎儿宫内生长迟缓、畸形、宫内胎儿死亡的研究。
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