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。
2
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。
3
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.