发现指甲中尼古丁含量水平是预测肺癌的重要指示。

Toenail nicotine levels were found to be a strong predictor of lung cancer.

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植被覆盖及其变化是全球和区域生态环境变化的重要指示。

The change of vegetation coverage indicates the changes of global and regional entironment.

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地震反射波形特征对判断地层中是否存在天然气水合物及其下伏游离气层具有重要指示意义。

It's very significant to use the wiggled character of seismic reflector to distinguish the gas hydrates and underlying free gases in the strata.

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I can give you the form and ask you to rate how attractive you think I am and I can give you the same instruction with a crucial difference "Please wait here.

我给你们这张表格,对我的魅力指数打分,同样的指示，但有一点重要的差别,我对你们说“请在这儿稍等片刻。

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