In the center of the navigation control is a circle that you can click to place the cursor at the required position in the screen.

导航控件中央是一个圆，您可以单击它，以将光标放在屏幕上所需的位置。

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It is connected to the required position of drilling stem to protect drilling stem without any influence on the normal working of drilling tool.

将它连接于所用钻柱的需要部位，保护钻柱、不影响钻具正常工作。

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That position was later affirmed by the U.S.Supreme Court. "Laws like this which required teaching creationism in science classes are unconstitutional."

VOA: standard.2010.04.05

One strategist appears to have enacted a three-legged bullish play on Visa to reduce premium required to position for upside potential in the underlying shares.

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Even at the time, the Roeper position required a certain suspension of disbelief.

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At the end of the day, literally and figuratively, Katie Couric delivered the news with the gravitas and professionalism required of the position.

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