四大军种都应有设计自己人事制度的自由，五角大楼对此干涉要降到最低。
Each of the four military branches is free to design its own personnel system, with minimal Pentagon interference.
在这种指导之下，五角大楼的地板设计值就达到了承受正常重量的两倍。
Under these instructions, they were designed to support twice the normal load.
科学家和工程师们从20世纪60年代中叶就开始设计自动车辆了，但到了2004年五角大楼研究机构发起大挑战赛时才迎来了关键性的革新。
Scientists and engineers have been designing autonomous vehicles since the mid-1960s, but crucial innovation happened in 2004 when the Pentagon's research arm began its Grand Challenge.
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