Results: The yield rate of secondary water provide water quality was only 12.2%, significantly lower than direct provide water.

结果：二次供水合格率仅为12·2%，与城市供水管网末梢水水质相比较差异有统计学意义。

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The test loop is consisted of three separated loops, that is, primary helium loop, secondary water loop and cooling water loop.

实验回路由氦气回路、一次水回路、二次水回路组成。

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This will save water, energy and secondary water pollution control and other aspects of water supply and drainage design in the environment.

本文将从节水、节能和二次供水的污染防治等几个方面探讨建筑给排水设计中的环保问题。

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West Virginia authorities reported about 9, 000 without power and some secondary roads blocked by high water early Thursday.

NPR: 2 Dead After Storms Rake South, Take Aim At East

Chloride, considered a secondary contaminant, could affect drinking water's taste, smell and color.

CNN: Salt creeping up the Mississippi River

Without being prescriptive it is expected that a typical station configuration will consist of a primary tide gauge, two under water pressure sensor (secondary tide gauge), data logger, DCP geostationary satellite transmitter, modem, battery backup, solar panel, cables, mountings.

UNESCO: EDUCATION