从进化的角度来讲，单配制有利于雌性，而对雄性却不然。

FROM an evolutionary perspective, monogamy looks good for females and bad for males.

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以瓜尔豆胶、卡拉胶、分子蒸馏单甘酯、乙醇、水、杀菌剂和防腐剂配制的涂膜保鲜剂，处理毛叶枣果实可延长其货架寿命。

The results indicated that the compound coating agents are better than the single coating agents for the shelf life of ber.

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目的：观察单链构象多态性(SSCP)筛查akt2基因突变时凝胶配制的不同对筛查结果的影响。

Objective: To observe the effect of different gel preparation on detecting mutation of AKT2 gene by single-strand conformation polymorphism (SSCP).

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