This genetic material can be in the form of a gene, a representative of a gene or cDNA, RNA or even a small fragment of a gene.
这种基因材料可以是基因，基因替代物或cDNA、RNA甚至小的基因片段。
The relations between material characters combining with loading-strength and fragment mass distribution are also discussed.
还结合壳体材料性质及载荷强度，对破片的断裂特征及尺度分布进行了讨论。
The combustion and heat transfer in CFB boiler are related with the bed material, while the bed material is formed during the coal combustion, fragment and attrition processes.
循环流化床锅炉炉内的燃烧及传热与炉内床料的状态密切相关，而炉内床料主要是由燃煤含有的矿物组分经过燃烧、爆裂和磨耗过程形成的。
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