In reindeer, even if they're missing a circadian clock, melatonin levels still spike when it's dark and drop when it's light, making the equinoxes an ideal time to synchronize their annual clocks.
而驯鹿呢，虽然它们没有昼夜节律钟，其褪黑激素水平仍然会在黑暗的时候上升，光亮的时候下降，从而使它们的昼夜分点达到理想状态，进而与年生物钟同步。
Reporting a further drop in domestic pork prices and warning against diminishing hog-breeding incentives that could lead to a spike in prices later in the year.
报导称，中国国内猪肉价格进一步下跌，并警告称养猪激励措施不断减少可能会导致今年晚些时候肉价飙升。
Growth wobbled in the second quarter of this year for various reasons (a spike in French imports and a drop in German construction, for example).
由于各种原因，经济增长率在今年的第二个季度有所波动(例如，法国进口的受挫和德国建筑业的下滑)。
If there is a drop in X-ray receipt when GOES-O is in eclipse behind the Earth, why would there be a spike when the satellite is at dusk?
倘若GOES - O卫星在地球后面被遮蔽时，收到的X射线的量下降了，那卫星在黄昏的时刻X射线的量又怎么会上涨呢？
Compute environments designed for peak loads often see utilization rates drop with idle compute resources when the project that created the spike is complete.
导致出现峰值需求的项目完成后，为峰值负载设计的计算环境常常看到利用率会因计算资源闲置而下降的情况。
They found a spike coinciding with a drop in mammoth numbers some 15,000 years ago. To see how much less land birch would have covered, they used elephants as a proxy.
因为发掘的冰冻内脏样品表明猛犸象的众多食物中包括像桦树这样的小型树种，猛犸象数量的减少致使落叶树木增殖。
They found a spike coinciding with a drop in mammoth numbers some 15,000 years ago. To see how much less land birch would have covered, they used elephants as a proxy.
因为发掘的冰冻内脏样品表明猛犸象的众多食物中包括像桦树这样的小型树种，猛犸象数量的减少致使落叶树木增殖。
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