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laser microbeam
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激光微束法
将激光微束用光学系统加以聚焦,形成非常细的、直径和波长相当的激光光束,可以对生物靶体(如植物细胞壁、花粉粒等)进行穿刺,引起膜的可逆性穿孔,从而进行外源基因的导入以及细胞融合的方法。
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water vapor tape recorder
water-vapour maser
water vapour transport
water vascular system
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waterway basic survey
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waterway network in the Pearl River delta
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Waterways Classic
Waterways Law of the People's Republic of China
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water weed
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