7. A complete absence of oxygen and water in the moon makes it a dead world with no signs of life.

月球上完全没有水和氧，因此月球是一个绝无生命的死寂的世界。

8. A 40% cutback in U.S. weapon exports would result in a minimum 2% depreciation of the value of the dollar.

如果美国的武器输出减少百分之四十，就会导致美元至少贬值百分之二。

9. The early release of the crew alone would defuse these crises.

只有及早释放机组人员，才能缓和这些危机。

10. To count the stars in the Milky Way by ordinary methods would take more than a lifetime.

如果要用通常的方法来数银河系的星星，那么恐怕一辈子也数不清。

11. Unfortunately, the low hit probabilities of gun systems have limited their effectiveness in the anti-missile missions.

可惜，由于火炮系统命中概率较低，所以在反导作战中其作用受到限制。

责任编辑：admin