一般来说，电网的标准热备用是20%。
In general, twenty percent extra power is the standard spinning reserve on the grid.
这一定义一般备用在医学文献中，在国家健康计划中，对于这一定义的标准进一步细化，主要是发病率被限定为1/1，000人到1/200，000人之间
The definitions used in the medical literature and by national health plans are similarly divided, with definitions ranging from 1/1,000 to 1/200,000.[3]
初始备用轴承到处都可以通过标准化的准则订购。
Original and spare bearings can be ordered everywhere by standardized codes.
“充电宝”等同于备用锂电池，旅客携带“充电宝”乘机应按照备用锂电池运输标准进行运输。
"Charging Po" is as spare lithium battery, passengers carrying "Charging Po" should follow the spare lithium batteries transportation standard.
两台泵均执行卫生标准，全部由不锈钢aisi 316l制造，被设计用来保证备用泵内水循环平稳。
Both pumps are in sanitary execution, fully made in stainless steel AISI 316l, and designed to guarantee water circulation even in the stand-by pump.
两台泵均执行卫生标准，全部由不锈钢aisi 316l制造，被设计用来保证备用泵内水循环平稳。
Both pumps are in sanitary execution, fully made in stainless steel AISI 316l, and designed to guarantee water circulation even in the stand-by pump.
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