李廷安(1898—1948)，广东人，中国公共卫生事业的奠基人之一。

Li Tingan (1898 — 1948), born in Guangdong, one of the founders of public health in China.

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但是，柯廷安（Kaltenegger）和同事计算得出，云层覆盖率至少要达到50%才可能反射足够的能量回到太空来避免过热。

But Kaltenegger and colleagues calculate that a cloud cover of at least 50 percent would reflect enough of the energy back into space to prevent overheating.

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“这是在阿根廷能得到的最高级别的保护。”塞巴斯蒂安·迪·马蒂诺说。

"That is the highest level of protection that can be given in Argentina," says Sebastian Di Martino.

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