... variation indicator 变化指示器 variation monitors 变化监察器 variation of field strength 电场强度变化 ...
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The method proposed in this paper can continuously and automatically monitors source water by using the variation of active electrical potential of fish when source water is polluted by toxicant.
本方法是利用鱼类对有毒物质进入水体后引起活动电位变化，来自动连续监测水质的情况。
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