但是由于新的挖掘与地面几乎零距离,因此如果有的话,应该会发现最接近时间点的物种损失要比世界上其他地方多。
But since the new digs were so close to ground zero, the immediate species loss ought to be have been - if anything - greater there than anywhere else in the world.
则会得到一个正交双曲线,原点与它最接近的点之间的距离是 r。
You will have drawn a rectangular hyberbola whose point of closest approach to the origin is r.
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