But what about that "trick" to "hide the decline"?

可是“隐瞒下降”的“诡计”是什么回事？

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It has also raised questions about the validity of the global temperature record used to demonstrate global warming, based on email that scientists used a "trick" to "hide the decline".

同时，邮件中提到的科学家用“诀窍”来“掩盖温度下降”的内容，也使用来证明全球变暖的数据的有效性倍受质疑。

youdao

It has also raised questions about the validity of the global temperature record used to demonstrate global warming, based on email that scientists used a "trick" to "hide the decline".

同时，邮件中提到的科学家用“诀窍”来“掩盖温度下降”的内容，也使用来证明全球变暖的数据的有效性倍受质疑。

youdao