Often, these manipulations are carried out in closed chambers at carefully maintained pressures and temperatures. They can also involve hazardous materials.

通常这种工作，都在控压和控温完全密闭实验室中进行，或者牵涉到非常危险的物质。

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These chambers were built for researching on the influence of physical and chemical factors in closed-environments on human and animal physiological functions.

本舱群是为研究密闭环境条件对人体、动物生理机能的物理和化学因素的影响而建造。

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Wade, " said Edward Lazarus -- a former law clerk for Blackmun and an author of "Closed Chambers: The Rise, Fall, and Future of the Modern Supreme Court"-- "is that it's necessary for the equality of women, rather than grounding it in the privacy right.

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Grubb and Chambers thanked the woman, closed the curtains, walked to a PC, and printed the image they had just seen.

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