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。
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。
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。
But the move didn't stop the slide. U. S. benchmark crude for December delivery fell 49 cents on Tuesday, or 0.78%, to $62.73 on the New York Mercantile Exchange.
广告不过减产决定并没有止住油价跌势，纽约商交所基准的十二月交割原油期货合约周二下跌49美分，至每桶62.73美元，跌幅0.78%。
Crude continued to move lower yesterday as the swine flu outbreak takes a toll on the global markets threatening to disrupt the economic recovery in its very infancy.
昨日原油持续下跌，受猪流感影响，全球市场恐慌，阻止了经济恢复。
Crude continued to move lower yesterday as the swine flu outbreak takes a toll on the global markets threatening to disrupt the economic recovery in its very infancy.
昨日原油持续下跌，受猪流感影响，全球市场恐慌，阻止了经济恢复。
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