... 牛角状 ceratoid 牦牛角 yak horn 牛角半圆量角器 horn semi-circular protractor ...
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yak s horn 牦牛角
horn of yak 牦牛角
The result showed that in the horn of yak living in the special ecological environment in Qingzang plateau included more mineral material, microelements and amino acids.
结果表明，在青藏高原这一独特生态环境条件下生活的牦牛其藏医入药的牦牛角，含有丰富的矿物质常量、微量元素以及人体所必需的氨基酸等化学成分。
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