But while higher is better from a fuel conservation perspective, there is an upper limit on how high it is safe to orbit humans for long periods.

越高耗费的燃料越少，而载人飞船能够长时间安全飞行的轨道高度就有上限。

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In addition, setting relative index upper limit can preferably suppress the behavior of bidding high price in short of capacity.

另外，通过设置经济持留相对指标上限，可以较好地抑制发电商在容量短缺时报高价的行为。

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This is because under the high-moisture condition, the majority of mushroom poisoning thrive well spread, the greenhouse internal phase to the humidity upper limit is 85%.

这是因为的高湿度条件下，大部分真菌病害容易繁殖蔓延，温室内相对湿度的上限为85%。

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Reforms in the Senate and House bills will impose annual out-of-pocket caps, for the first time placing an upper limit on what individuals with high-cost chronic conditions will have to pay out-of-pocket.

WHITEHOUSE: Passing the Senate Health Reform Bill: One Big Step Forward for People Living with HIV/AIDS | The White House