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。

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

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在埃塞俄比亚，有一种个头小、无肩峰的短角牛“Sheko”，它产奶能力强，可忍受严苛的环境，并能抵抗昏睡病。

In Ethiopia a small, humpless, short-horned cattle breed called the Sheko is a good milk producer that withstands harsh conditions and has resistance to sleeping sickness.

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因此，利用肩峰相对高度，可推导出一个类型指数L值，作为判断母质类型的新指标。

Therefore, it could develop a new type index (l) for the evaluation of the type of source materials by the relative height of shoulder peak.

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