The company has tested its source particles in the lab, using a vacuum chamber and hot gases to simulate the conditions the pellets would encounter upon re-entering Earth's atmosphere.

这家公司已经在实验室里测试了源粒子，使用了一个真空房间和高温气体来模拟小球进入地球大气层的情况。

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The handsets are placed in an environmental chamber and are subjected to severe temperature and humidity conditions to test their reliability.

手机被置于一个环境舱中，然后经受几种温度和湿度条件，从而测试其可靠性。

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The conditions to realize automatic control of chamber pressure in heating furnace are concluded.

给出了实现加热炉炉膛压力自动控制的条件。

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Each chamber offered the coral larvae two opposing conditions.

VOA: special.2010.08.10

The researchers used a biological air chamber to replicate conditions in one- and two-bed hospital rooms.

BBC: Fears over risk of air transmission of superbugs

The First-tier Tribunal (Immigration and Asylum Chamber) Fees Order 2011 also sets out conditions under which an appellant may be exempt from paying or have the fee refunded.

BBC: Government to set fees for immigration appeals