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外用避孕
释义
外用避孕
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医学
外用避孕
释
barrier methods
外用避孕
用物理方法(机械阻挡)不让精子到达子宫腔内,或用化学制剂在阴道内灭活精子,也可两者结合,以此阻挡精、卵相遇而避孕的方法。
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ion beam deposition
ion beam deposition,IBD
ion-beam driven inertial fusion
ion beam epitaxy
ion beam etching
ion beam figuring
ion beam induced luminescence
ion beam interaction with solids
ion beam irradiation
ion beam irradiation breeding
ion beam machining
ion beam microfabrication of vacuum electronic device
ion beam mixing
ion-beam mixing
ion beam polishing
ion beam shaping
ion-beam simulation for neutron irradiation
ion beam sputtering
ion beam sputtering deposition system
ion beam welding of nanotube
ion bean etching
ion-bean etching
ion bean-mediated transformation
ion biosensor
ion bombardment
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