Teacher's expectation effect includes positive effect and passive effect, and they result in many subjective factors and objective factors.
教师期望效应表现为正效应和负效应两种结果，这是由许多的主观因素和客观因素造成的。
It was found in experiments that the particle polishing could eliminate the passive effect of hydrogen evolution and nickel deposits electroformed without pinholes and pits could be achieved by APEF.
试验发现，游离粒子磨擦能彻底消除析氢的不利影响，利用磨擦辅助精密电铸技术能够制造出没有任何麻点、针孔等缺陷的镍电铸层。
It was found in experiments that the particle polishing could eliminate the passive effect of hydrogen evolution and nickel deposits electroformed without pinholes and pits could be achieved by APEF.
试验发现，游离粒子磨擦能彻底消除析氢的不利影响，利用磨擦辅助精密电铸技术能够制造出没有任何麻点、针孔等缺陷的镍电铸层。
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