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反向选择
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反向选择
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counter selection
反向选择
将反向选择标记基因导入受体细胞,在一定的筛选条件下,带有反向选择标记基因的细胞株不能生长,而不带有反向选择标记基因的细胞株则能够生长,从而对目的基因的转化子进行无选择标记的筛选。
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fluid conveying process control systems
fluid derived from the crust
fluid derived from the mantle
fluid domain
fluid drag
fluid dynamics
fluid elastic-plastic theory
fluid elastoplastic model
fluid fertilizer
fluid flow in fractured vuggy reservoirs
fluid flow in porous media
fluid flow measurement
fluid flow of passage vortex and clearance vortex
fluid flow through porous media
fluid flow within radial gap
fluid-free
fluid geoscience
fluid geothermometer
fluid/gravity duality
fluidic
fluidic actuator
fluid ice protection
fluidics
fluidifiant
fluidification
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