The fact that nearly everyone in a mixed-race society, however, targets the same minority groups for one-drop demotion is a telling indicator that the phenomenon is learned - and powerfully so.
然而事实却是，在混合种族的社会中，几乎人人都以一滴血降级观念瞄准了相同的少数种群，这是一项很说明问题的指标，表明该现象是可被学习的——而且学习作用还如此强大。
The photometric probe is sensitive to the color change of acid chrome K and naphthol green B mixed indicator when Ca 2+ and Mg 2+ are titrated with EDTA.
应用于EDTA滴定钙镁时，该探头能灵敏地响应酸性铬蓝K萘酚绿B混合指示剂的颜色变化，从而实现了自动光度滴定。
A new double indicator electrodes potentiometric precipitation titration method coupled with multivariate calibration for the simultaneous determination of mixed halide ions was developed.
建立一种可同时测定混合卤素离子的电位滴定新方法。
The results shows those two mixed indicator can improved the degree of precise and accuracy.
实验结果表明改进方法对钙、镁检测的结果比传统方法准确度和精密度高。
The results shows those two mixed indicator can improved the degree of precise and accuracy.
实验结果表明改进方法对钙、镁检测的结果比传统方法准确度和精密度高。
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