This idea that we've entered a new Anthropocene Epoch was first proposed in 2002.

“我们已经进入了一个新的人类世”这一观点最初是在2002年提出的。

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Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.

米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。

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First proposed in the late 1800s, the theory relies on a property of water not commonly associated with fluids: its tensile strength.

该理论于19世纪末首次提出，其依据是水的抗拉强度，而水的这种特性通常与流体无关。

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The legislation was first proposed in two thousand seven by Joe Biden, then a senator, now the vice president.

VOA: special.2009.10.24

The relationship between heat and work was initially proposed in the 1940's by Joule.

热量和功的关系首先是,由焦耳在1940年提出的。

麻省理工公开课 - 热力学与动力学课程节选

And several years later these two graduate students at Leiden by the name of Goudsmit and Uhlenbeck proposed that the electron in fact spins.

几年之后,两个莱顿的学生,古德米斯特和乌伦贝克,提出电子其实是在自旋的。

麻省理工公开课 - 固态化学导论课程节选

Corporate governance rating systems covering all listed companies have been proposed in Hong Kong and the Philippines.

FORBES: Off with their perks!

This is especially true for the fundamental restructuring of Medicare as proposed in the plan.

CNN: Ryan pick will steer Romney campaign to treacherous waters

The concept that stem cells run-amok may fuel cancer's spread was first proposed in the 1960s.

FORBES: Cancer Killer