Measure the resistance between Ch. 1 input and Ch. 2 input.

测量通道1输入和通道2输入之间的电阻。

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Open Ch. 1 and then close Ch. 2. Verify that Ch. 2 is within specification.

开路通道1，然后闭合通道2。验证通道2在规定的技术指标范围之内。

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The results showed that the size of atherosclerotic plaques and TC, HDL-CH, LDL-CH, HDL-PL, TG and blood viscosity were also significantly decreased.

结果表明，脂质体组主动脉内膜粥样硬化斑块面积、血脂各项指标及血液流变学等均显著改善。

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A good example of that is CH4, because the CH bond is polar but symmetrically disposed in space.

甲烷就是一个很好的例子，因为极性键是,空间对称的。

麻省理工公开课 - 固态化学导论课程节选

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