This gave them a crude form of vision, allowing them to move in response to light and shade, but also brought into biology a way of controlling electrical potential.

这使单细胞生物产生了一种原始形式的视觉能力，使他们能够根据光亮和阴暗进行移动，它也使生物产生了一种控制电势的能力。

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State media: The pipeline will move 15 million tons of crude oil a year until 2030.

国家媒体：2030年前，管道将每年输送1 500万吨的原油。

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Panelists said estimating the risk per 100 women, although widely used, was a "crude" way to establish pregnancy risk and manufacturers should move toward a more comprehensive method.

专家小组说估计在每100个妇女中怀孕的风险，尽管已经广泛使用，但是一个不成熟的估计怀孕风险的方法，并且制药公司应该制定出一个更有力的方法。

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Taking the rail idea a step further and looking to further solve the differential equation, Plains All American Pipeline (NYSE:PAA) is converting a former Virginia refinery to offload crude railcars and then shift their cargoes to ships to move crude oil along the coasts of the United States, profiting from price differentials.

FORBES: Differential Equations: The Rangeland Energy deal and the big picture

Paul MacAvoy, economics professor emeritus at Yale University, explains that the rates pipeline companies can charge to move crude are capped by the Federal Energy Regulatory Commission.

FORBES: Magazine Article

Any bigger price move in crude oil Friday would likely impact gold and silver prices.

FORBES: Comex Gold, Silver Steady to Weaker amid Bearish Outside Markets