An additional benefit is that calibration can be conducted under normal operating conditions, rather than within the artificial environment of a laboratory.

该设备另一个优势是校准的操作条件宽松，无需在实验室等特定的人工环境下进行。

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Operating room environment and conditions for poor and obsolete equipment, lack of sterile concepts, such as surgery often fly insect fly into.

手术室环境和条件较差，设备陈旧，缺乏无菌观念，手术中常有苍蝇等小虫飞入。

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Since operating conditions and external economical environment are dynamic, it is very difficult for each company to determine its optimal capital structure.

附中文翻译由于每个企业都处于不断变化的经营条件和外部经济环境中，使得确定最佳资本结构十分困难。

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Armstrong and Aldrin were operating in a new and alien environment, in untested equipment (because lunar conditions could not be replicated on earth), with few fallback options if something went badly wrong.

FORBES: Neil Armstrong on the First Moonwalk

But it included long 'to do' lists to make sure old platforms, operating in very challenging corrosive conditions, are not putting offshore workers or the environment at risk.

BBC: Statoil platforms