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据美国《陆军时报》网站5月15日报道,美国陆军研究人员正在试验多种口径介于7.62毫米和5.56毫米之间的“中等口径”子弹,以便开发新型轻机枪和下一代的单兵突击步枪。美国陆军士兵使用M16步枪的时间超过了半个多世纪,有可能在2020年前后见到射出更大口径子弹的新型突击步枪。正在试验的武器设计据说是非传统的,很可能不同于现有的商用枪支。正在测试的
According to the Army’s “Army Times” website reported on May 15, U.S. Army researchers are testing a number of “medium caliber” bullets ranging in size from 7.62 mm to 5.56 mm in order to develop new light machine guns and the next generation of single Soldiers assault rifles. It took more than half a century for the U.S. Army soldiers to use the M16 rifle, and it is possible to see a new type of assault rifle firing larger-caliber bullets around 2020. The design of the weapons under test is said to be unconventional and likely to differ from the existing commercial firearms. Testing