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| 1. | interchanged to meet tactical needs, producing carbine, compact carbine, sharpshooter, and– with a long |
| XM8属于模块化结构，其枪管有多种不同的长度和重量可供替换以适应战术要求，生产出卡宾枪，紧凑型卡宾枪，狙击枪，以及——加装长枪管，两脚架和大容量弹匣的——自动步枪。 |
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| 2. | a shoulder weapon with a long barrel and a rifled bore. |
| 一种肩杠、长枪管并、刻有来复线的枪膛的武器。 |
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| 3. | A cannon with a long barrel and a relatively low angle of fire. |
| 大炮有一长炮管及相对较低的射角的大炮 |
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| 4. | The long dimension of the barrel vaults that form the building is parallel to the allees and contours |
| 构成建物的长容积桶状圆拱平行于树列及等高线，且接连了外部空间的地层构造。 |
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