这项技术对于在没有雌性存在的情况下保持物种繁殖具有重要作用。
Such a technique could be valuable for preserving species when no females remain.
它们的作用：使皮肤保持高维生素水平。
人们保持心理安全的需要可能起到了重要的作用。
The need to maintain psychological security may play a role.
能够起关键制衡作用的中部强势部族的领导人保持观望姿态。
Powerful tribal leaders in central Libya whose support could prove pivotal sat on the fence.
钙对保持人体正常血压和心脏健康起着关键的作用。
Calcium is crucial for normal blood pressure and heart health.
保持他们在国际事务中的领导作用是很重要的。
It is important to maintain their leading role in world affairs.
柠檬可以在干燥的冬天保持空气清新潮湿，同时起到空气清新剂和加湿器的作用。
Freshen and moisturize the air in your home on dry winter days.
每天保持相同的睡眠规律也可以起到帮助作用。
And keeping to the same sleep schedule every day will also help.
为了保持密封，就得维持巨大的螺栓作用力。
In order to keep the sealing, have to maintain great bolts reaction.
为了保持密封，就得维持巨大的螺栓作用力。
In order to maintain the seal, you must maintain the tremendous force of the bolt.
他们相互作用，构成整体，并通过相互协调保持机体平衡。
They interact to make up an entire system and keep balance through physiological coordination.
很可能保持活跃与冥想起着同样有益的作用。
It could be that being active is helpful in the same way that meditation works.
所以，我汇总了一份快速清单，以帮助您保持健康的副作用。
So, I've compiled a quick list to help you stay on the healthy side.
物体会保持静止的状态直到有力的作用。
制动器 的作用是使停驶的车辆保持不动。
The foot brake is designed to keep a stopped vehicle from moving.
负压度对砂子的固定作用很大，必须调节合适的负压度和负压保持时间。
The effect of negative pressure on sand fixation is large, so a…
饮食良好且保持体重的患者往往更能够经受得住癌症治疗的副作用。
Patients who eat well and maintain their weight often tolerate treatment side effects better.
饮食良好且保持体重的患者往往更能够经受得住癌症治疗的副作用。
Patients who eat well and maintain their weight often tolerate treatment side effects better.
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