Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
But no one is ready to say when hundreds of new missile silos, dug from the windswept Great Plains, will be finished, how much they cost, or, for that matter, how many nuclear warheads each Sentinel missile could actually carry.，这一点在爱思助手下载最新版本中也有详细论述
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Top corporate executives are well rewarded - a report from last year showed that chief executives at the UK's biggest firms are paid, on average, 122 times the salary of the average full-time, UK worker.，详情可参考搜狗输入法下载
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