inapparent

1.an inapparent infection

不明显的感染

2.Its ratio of inapparent infection to apparent infection is about 100:1.

该病隐性感染与显性感染的比例约为100：1。

3.when the wind speed and windward are steady , the concentration value of dimensional spot change along with time is inapparent, it may be considered steady.

风流下，空各点的气值随时变化不明显，其场是态的。