这个方法的局限性在引进诸如氧化铅光导管摄像管，超正析象和光导摄像管之类的探测器之后变得很明显。
The limitations of this scheme became quite apparent with the introduction of detectors such as the plumbicon, image orthicon and vidicon.
因正、负序功率分量之和可由通常采用的“二瓦特表法”获得，于是正、负序功率分量即可析离开来。
Since the sum of these two power components can be obtained by the usually used "two Wattmeter method" , then the components can be Separated.
结果表明：铝合金在强碱性介质中的自腐蚀析氢呈现出典型的正差异效应，自腐蚀严重。
The results show that the self-dissolution of Al-anode is very heavy, and the H_2-evolution quantity manifested typical "positive difference effect".
应用推荐