But if you used to tune to television stations in towns in opposite directions, you may have to choose which ones you want most.

但是如果你习惯调到镇上那些信号发射方向相反的电视台，那就只好选择你最想要的朝向的天线。

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You must again cross two lines, but the two lines go in opposite directions.

你必须再交叉两条线，但是这两条线朝不同的方向。

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The magnetic field lines are like the two lanes of traffic on a busy road: close together, but pointing in opposite directions.

ECONOMIST: Hot stuff

This is a somewhat beguiling metric to compare companies by -- market cap measures the value of a company's shares available on the market, and not every company has the same proportion of its overall value available in stocks -- but it illustrates well the diametrically opposite directions in which the two mobile phone makers are moving.

ENGADGET: HTC's market capitalization reaches $33.8b, overshadows Nokia and RIM

Since matter and antimatter are identical in all but charge, they could, in principle, be accelerated in opposite directions by the same set of magnets, in the same ring, at the same time ingenious, and cheap.

ECONOMIST: Simon van der Meer