潜伏期

1.How long is its latent period?

它的潜伏期有多长?

2.RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.

结果止咳露使咳嗽潜伏期延长,使气管酚红排泌量明显。

3.Abstract： Objective To analyze the factors influencing latency period of induction and predict the inducibility.

要： 目的 分析影响引潜伏期的主要国家引成功的难易程度。