多巴胺是一种奖励诱导的自适分子，让动物在感觉饥饿前觅食。
Dopamine is an adaptive reward-inducing molecule that makes animals want to look for food before they're hungry.
这可以持续反对前飞诱导阻力，在没有重大损失摆脱垂直放在支持飞机的重量。
That can be sustained against the induced drag of forward flight without significant loss in to vertical lift out puts to support the weight of the aircraft.
目的研究麻醉诱导前扩容对腹腔镜手术后恶心呕吐（PONV）发生率的影响。
Objective To investigate the effects of volume expansion before induction of anaesthesia on postoperative nausea and vomiting(PONV) in patients undergoing laparoscopic operations.
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