所有这些，在三十五年前就已经知道了，以后的重大进展则是在观测方面。

All this was known thirty-five years ago; the great advances since then have come in the observational domain.

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在欧洲和北美这种可再生燃料的出现发生在三十五年前，在70年代末解决石油危机。

In Europe and North America, the emergence of this renewable fuel, occurred more than thirty-five years ago, in the late 70s, to solve the oil crisis.

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三十五年前，中 国的科学家开始了这一艰巨的任务，把他们本土植物极其丰富的知识一 一记录。

Thirty-five years ago Chinese scientists began the enormous task of cataloging the vast wealth of knowledge about their native plants.

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在三十五年前一月的一个早晨，地上还铺满积雪，在一个陌生的大城市里，一个二十出头的女人正往医院里赶，准备去生她的第一个小孩。

It begins thirty-five years ago in a big city on a January morning with snow on the ground and a woman walking to hospital to have her first baby.

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在三十五年前一月的一个早晨，地上还铺满积雪，在一个陌生的大城市里，一个二十出头的女人正往医院里赶，准备去生她的第一个小孩。

It begins thirty-five years ago in a big city on a January morning with snow on the ground and a woman walking to hospital to have her first baby.

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