The real state of the world is that five anti-TB molecules are in phase I trials and two are in phase II.
事实情况是，有五种抗肺结核分子正处于试验阶段I，有两种处于试验阶段II。
The liquid in the pipeline under certain conditions and partially vaporizes into gas state, bubble, formation of gas-liquid two-phase flow which is the process of flash.
管道中的液体在一定的条件下，部分液体气化成气体状态，产生气泡，形成气液两相流这就是闪蒸过程。
Pressure Oscillation often occurs in two-phase system even if it operates in steady state.
即使在稳态运行时，两相流体回路系统也经常会发生压力振荡现象。
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