对于额外基地(没有，不真正地)调整“下降角”看小的曲线怎么成为一个在您的周边视觉。

For extra bases (no, not really) adjust the "Angle of Descent" to see how a little curve becomes a big one in your peripheral vision.

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角䴙䴘，苏格兰最为神秘的鸟之一，在最近几年里面数量一直在下降。在20世纪七八十年代的鼎盛时期，有孵育能力的角䴙䴘还有大约80对，而到现在只剩下了22对。

The Slavonian grebe, one of Scotland's most mysterious birds, has been in decline in recent years, with breeding pairs falling from about 80 at their peak during the 1970s and 1980s to just 22 today.

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事实上，2011年的前两个季度，五角大楼的“竞标合同”的总价值下降到了总额的55%。

In fact, the Pentagon's "competed" contracts, based on dollar figures, fell to 55 percent in the first two quarters of 2011.

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