... power diversity factor 功率差异因数 system diversity factor 系统不同时率 diversity factor of radio reception 无线电接收之差别因子 ...
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系统不同时率
The system has different time rates
以上为机器翻译结果，长、整句建议使用 人工翻译 。
五个系统玻璃试样置于不同酸溶液中浸泡不同时间，然后测量其浸泡前后厚度、重量及分光光谱透过率。
The glass samples of five systems were tested in various acid solution for different times. The thickness, weight and transparence of samples were measured before and after corrosion for comparison.
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