The testing results about the use of new rail joint was introduced, which include the dynamic flexure stress of upper limb and lower margin of joint bar, shearing stress of horizontally neutral axis.

本文对三种新型钢轨接头现场使用情况的测试结果进行了介绍，主要包括测点处的钢轨接头夹板上、下缘动弯应力、夹板水平中性轴处剪应力。

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In the measurement of human upper limb, the position for the center of shoulder joint can be supposed by comparative position to acromion.

在人体测量中，肩关节中心的位置要通过其与肩峰的位置关系进行估测。

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When there is a bleeding in the upper limb of a wounded person but he suffers no bone fracture or joint damage, the bleeding can be stopped by pressurized dressing.

伤员上肢出血，且没有骨折和关节损伤时，可采用加压包扎止血法止血。

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