The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties(strain) and 4 staminiferous plant type single clone.

采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

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Chicks of highly maternal antibody were tested with vaccines of V4 strain and V4 clone-30 strain by oral administration, nasal drip and cohabitation.

本试验用V_4株、V_4株和克隆- 30株联合苗对高母源抗体的雏鸡进行了口服、滴鼻与同居感染免疫试验。

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Over a period of about two weeks, and thousands and thousands of virus generations, she can produce a strain of virus evolved to do her bidding and then clone it.

FORBES: Breakthroughs