教学水平 teaching level ; Teaching standard ; Level of teaching ; standard of teaching
声学水位计 acoustic water level
地球化学水系测量 [地化] geochemical drainage survey
化学水处理 Chemical Water Treatment
光学水平仪 optical tooling level ; level
入学水平考试 CET-Placement Test
顶级的教学水平 Top Marks for Teaching
化学水印纸 Chemical watermark paper
化学水 chemical water
由一截连在一起的充气袋子组成，能放在人的胳膊底下提供浮力；用于学水的儿童。
A life preserver consisting of a connected pair of inflatable bags that fit under a person's arms and provide buoyancy; used by children learning to swim.
这个试验只是将自来水而非其它物质喷向空中，不会对气候或天气产生任何影响，所以它不算是一项地球工程学的试验。
The experiment will not spray anything other than tapwater into the air, so it is not a test of geoengineering, since it will not have any effect on the climate or the weather.
这可能是由于缺乏化肥、资源管理或农艺学不良、在错误的时间有太多水或太少的水。
It may be lack of fertilisers, poor husbandry or agronomy, too much water or too little at the wrong time.
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