Compared with quadtree representation, the average space saving of P-quadtree representation is about 94%.

这种表示与四元树表示相比较，约节省存贮空间94%。

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The calculation result shows that the factors that influence the blasting effect are as follows: the speed of lengthwise rock, average space of joint and the maximal…

计算结果表明，影响爆破效果的主要因素依次是： 岩石纵波波速、平均节理间距、最大节理间距。

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There are just two hydrogen atoms per cubic centimeter on average in space, which poses no threat to spaceships traveling at low speeds.

太空中平均每立方厘米只有两个氢原子，这对低速飞行的宇宙飞船不构成威胁。

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For example, the average farming space for a white chicken is about 130 sq inch.

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Wal-Mart's Neighborhood Market Stores come closest to that format, but with an average floor space of 42, 000 square feet, they will still be much larger than Tesco's Express format in the U.K., which is 14, 000 square feet and expected to be similar to its upcoming U.S. stores.

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And poor Americans have more living space than the average (not just poor) German, French person or Swede.

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