有成本效益的和有效率的过程对国防部来说尤其重要，这占了联邦采购支出的70%。

Cost-effective and efficient processes are particularly important for the Department of Defense, which accounts for approximately 70 percent of all Federal procurement spending.

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还有就是对美国国防部作战的法律挑战，尤其是近年来，本质上已有极大提高的无人机的使用问题。

Then there are new legal challenges associated with the administration's own national defense strategies — especially the use of drones, which has increased substantially in recent years.

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但是在西线的战斗中国防军的各兵种均表现出色，其中狙击手尤其出色。

But in on the west the battle of the line is medium each arm of services of national defence army all shows scene, among them sharp-shooter especially outstanding.

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