负反馈(negative feedback)
使下丘脑抑制,分泌性激素减少者称负反馈。
负反馈(negative feedback)
对妇产科患者护理的道德要求与一般患者相比,既有相同又有不同。下面在妇产科惠
者护理的道德要求中最根本的应该是
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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