The optimum reaction conditions were studied.

探讨了适宜的反应条件；

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The modality of water ultraviolet disinfection reactor and its hydraulic conditions were studied.

对适宜于紫外线消毒的反应器的型态和水力条件进行了研究。

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The photosynthetic characteristics of Longan leaves under field and laboratory conditions were studied.

在田间和试验室条件下研究了龙眼叶片的光合作用特性。

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In none of the areas studied were housing conditions poor.

ECONOMIST: Urban policy