本实验共测21只树鼩正常心电图，计算其心电轴，并测定了红细胞渗透脆性、出血时间和凝血时间。

The cardiac electrical axis, osmotic fragility of RBC, bleeding time (BT) end coagulation time (CT) of 21 Tree shrews(Tupaia belangeri chinensis) ware measured.

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方法：采用小鼠断尾实验测定出血时间，毛细管实验测定凝血时间。

Methods: the mouse bleeding time was measured by tail breaking test, and the clotting time was measured by capillary test.

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