单词:biological material
biological material的用法和样例:
例句
- Alpha helices in biological materials, and design of alpha-helical structures.在生物材料中的阿尔发螺旋,以及阿尔发螺旋结构的设计。
- But the bone awl such biological material is may degrade the material, then knows its age through the radiocarbon test.但是骨锥这样的生物材料是可降解材料,通过放射性碳测试即可知道它的年代。
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Yet there is surprisingly little agreement on how many phyla there are or ought to be. 然而,令人吃惊的是,在关于有多少门或诙有多少门的问题上,人们的看法大相径庭。 Most biologists fix the total at about thirty, b