Although smaller than the MRAP, the M-ATV is still an imposing vehicle, half-again as tall as the average person and weighing in at 18 metric tons.
VOA: standard.2009.11.02
Because we know as we go to infinity, even though the density gets smaller and smaller and smaller, we still have electron density very far away from the nucleus.
因为我们知道即使到了无穷远处,尽管电子密度会变得非常非常非常小,但我们仍然有一定的电子密度,无论离原子核多远。
Former CIA counterterrorism chief Robert Grenier says the failed Times Square bombing may indicate that al-Qaida and its allies have abandoned more grandiose plans for the United States and are emphasizing smaller but still deadly operations.
VOA: standard.2010.05.05
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