opening rate f 开盘汇率
f frame rate control 亮度平均时间控制
tariff f rate 关税率
burn-off f rate 熔化速度
f Transfer rate 传输率
f fruitage rate f1结实率
波出现率降低,潜伏期延长或消失;
F wave incubation period and abnormal rate were detected at the wrist area of median nerve and malleolus area of posterior tibial nerve by strong electric stimulation.
并用超强电刺激在正中神经腕部及胫后神经踝部检测F波潜伏期及出现率。
The results indicated that F-containing leaching agent can effectively improve the leaching rate of vanadium and had little effect on the extraction of vanadium.
试验表明含氟助浸剂能有效提高钒的浸出率,同时对萃取分离影响不大。
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