For the complex scenes, realistic rendering and real-time performance are both necessary for balance.

针对复杂场景，需要对绘制时的真实感与实时性进行平衡处理。

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The rumen of ruminant was a complex micro ecosystem, which there was a dynamic balance that was both collaborative and constraints between rumen microorganisms and host, and also between microbes.

反刍动物瘤胃是一个复杂的微生态系统，瘤胃微生物与宿主之间、微生物与微生物之间处于一种既协同又制约的动态平衡关系。

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McKinley picked the tango, a dance that's both fun to do and involves a series of complex moves that can improve balance.

麦金利挑探戈舞蹈就是这样，既有趣，涉及一系列复杂的动作，可提高平衡。

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