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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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flow relation
flow resistance
flow resistance in fluvial channels
flow sensor
flow separation
flowsheet
flowsheet investigation of mineral processing plant
flowsheet of sorting
Flow shop job sequencing
flow shop scheduling
flow-shop scheduling problem
Flows in Networks
flowsnake
flowsnake fractal
flow spinning
flow state
flow stress test
flow structure
flow-suspsion particle interaction
flow table
flow-through cell
flow-through test for aquatic organism
flow tube
flow-type
flow unit
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