Oil in the Loop Current Still a Big if.

石油是否进入环流还存在极大的不确定性。

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In a polar circuit it causes the loop current to flow in a direction opposite to that for a mark impulse.

在极性电路中，空号脉冲促使环路电流向传号脉冲相反的方向流动。

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However, there is also an eddy of cooler water (purple) circulating counterclockwise at the top of the Loop Current.

不过，在洋流的顶端还出现一个逆时针方向旋转的水流(紫色部分)，而且温度较低。

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The oil slick has now entered the loop current that runs from the Gulf of Mexico to the Florida Keys and up the east coast of the U.S., Jarvis said.

VOA: standard.2010.05.26

One is sending down devices to try to better understand where a current in the Gulf known as the Loop Current might take the oil.

WSJ: Gauging Harm to Ecosystem Could Take Years

They monitor -- they have monitored currents like the Loop Current.

WHITEHOUSE: Press Briefing

In the short run, there appears to be little risk the Loop Current will carry the oil around South Florida and up the East Coast, National Oceanic and Atmospheric Administration officials said.

WSJ: Gauging Harm to Ecosystem Could Take Years