Also, while climbing over a plateau you can stand up and pedal for short periods of time because this ensures proper blood circulation through the body.

另外，虽然爬过高原你可以站起来，踏板一小段时间，因为这将确保适当的血液循环到身体的其他部位。

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A mathematical model was proposed for studying the time dependent blood flow distribution in ischemic myocardium with different developments of collateral circulation.

为了研究缺血心肌在侧支循环不同形成阶段的血流分布模式，建立了一个左心室壁血流灌注计算机仿真模型。

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The traditive method of blood circulation sample made by injection of genural colour showed expensive time and labour.

血素注射标本常用的色剂及注射方法费时费事。

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