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natural family planning
释义
natural family planning
Encyclopedia
医学
避孕
释
natural family planning
自然避孕法
根据女性月经周期和周期中出现的症状与体征,间接判断排卵过程,识别排卵前后的易受孕期,进行周期性禁欲而达到避孕的方法。又称安全期避孕法。
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multichannel analyzer (MCA)
multichannel assisted injection
multichannel-assisted injection
multichannel astrometric photometer
multichannel coronagraph
multichannel coronal spectrometer
multichannel coronograph
multichannel detector
multi-channel digital ultrasonic test instrument
multi-channel eddy current test instrument
multi-channel electronic system
multichannel filter spectrometer
multi-channel fin field effect transistor
multi-channel high-speed access system
multichannel holography
multichannel Kondo effect
multi channel laser system
multi-channel laser system
multichannel laser system
multi-channel MAC
multichannel magnetograph
multichannel multipoint distribution service
multichannel multipoint distribution service, MMDS
multichannel photometer
multichannel photometry
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更新时间:2025/7/30 12:18:48