The plan to phase down environmental pollution is progressing successfully.

逐步减少环境污染的计划正在顺利进行。

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The principle was presented of the liquid films formed with the new two phase down flow medium on the fiber silk and realizing the mass transfer of film surface contact.

介绍了一种新型两相顺流介质在纤维丝上形成液膜，实现膜面接触传质的原理。

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And then you would recover for a while, that initial phase of the illness would disappear, your fever might go down, you might appear to be normal.

接着你会暂时恢复,在开始阶段出现的症状会消失,你的体温会降下来,看起来似乎比较健康

耶鲁公开课 - 生物医学工程探索课程节选

For example, Shenkman wonders if there will be a phase down of the tax rate and a phase up of the credit over time.

FORBES: Obama Estate Tax Deal Would Chill Estate Planning

Beresford says that GKN's businesses are all in the down phase of their cycles.

FORBES: Beefing up the rump

We are in now a phase of drawing down the surge forces as we begin the transition to Afghan security lead that will reach a culmination in 2014.

WHITEHOUSE: Press Briefing