sterile-male method 雄性不妊法
While male contraception has been studied before, no method met the stringent safety and effectiveness criteria that female methods do. It was also unclear whether men would use them.
关于男性避孕术已经早有研究，但还没发现一种比女性避孕术更安全有效的方法。而且，尚不能确定男性是否愿意使用这些方法。
Method A total of 1020 male elderly were investigated with questionaire of the Geriatric Depression Scale.
方法在全面身体检查同时，以老年抑郁量表和一般生活资料调查表对1020例老年男性进行调查。
MethodsUse male die-female die transition method to make individual resin nasal structure which also has with direction.
方法：使用阴模、阳模转换的方法制作出个性化，并具有方向性的树脂鼻模具。
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