所以，本次突变系夏季温度升高、消融剧增为主导，叠加年降雪量递减的综合结果。
Thus, this abrupt change was mainly caused by a temperature increase in summer as well as an annual snowfall decrease.
运用植物细胞工程技术结合理化诱变因子诱变筛选抗CM V突变体，为创造抗CM V突变系提供了有益的尝试。
The method of using technology of plant cell engineering combining physical and chemical mutagenesis offers helpful try in creating the mutant of resisting CMV.
目的是研究多发性皮脂腺囊肿一家系中角蛋白17的基因突变情况。
The objective is to analyse the mutation of K17 gene in a pedigree with steatocystoma multiplex.
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