The Effects of Time-varying Ionospheric Channel on HF Timing.
电离层信道的时变特性对短波授时的影响。
The effects of time, humidity and temperature on the gases permeability of the quaternary ammonium salt of chitosan film were researched.
探讨了时间、湿度和温度对壳聚糖季铵盐膜透气性的影响。
The art slowly disappears because of the effects of time, sun and rain.
VOA: special.2009.04.08
It'll still likely get stuck in that spot, but we'll just show you one more time the effects of the UV light, and actually we'll throw in an extra trick here, too.
它仍然像是在那点卡住了,但是我们还是会再展示一次,紫外光源的效应,事实上,我们也会引入一个新的技巧。
For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.
VOA: special.2010.07.21
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