送交者: gyro 于 2011-01-10, 10:17:35:

回答: 蜣螂是清华土木结构专业的，这种力学问题属于他的专业范围。 由 JFF 于 2011-01-10, 10:09:30:

• 你把子弹当航天飞机了吧？ (无内容) - JFF (0 bytes) 2011-01-10, 10:23:27 (535728)
  • 子弹初始动能约为2000焦耳 - gyro (292 bytes) 2011-01-10, 10:33:31 (535732)
    • If you use tracer round, you don't just feel heat, your cloth may burn. (无内容) - steven (0 bytes) 2011-01-10, 11:26:57 (535774)
      • what's tracer round? (无内容) - gyro (0 bytes) 2011-01-10, 11:52:25 (535788)
        • tracer rounds or tracer ammunition is a type of bullet with pyrotechnic charge. - steven (415 bytes) 2011-01-10, 12:16:40 (535812)
      • if i use flammfaust, you don't just feel heat, you are burnt. (无内容) - JFF (0 bytes) 2011-01-10, 11:43:13 (535781)
    • 这么说吧。挂一棉被或床单，用冲锋枪对他们扫射，把标准配备的子弹 - JFF (46 bytes) 2011-01-10, 11:13:11 (535765)
      • 弹孔处觉出变热可能性很大 - gyro (92 bytes) 2011-01-10, 11:57:47 (535793)
        • SAY一层被子抵10层单衣。20J热够不够把卵子毛升温一度还难说呢。 - JFF (16 bytes) 2011-01-10, 12:04:26 (535803)
    • 孙玉国穿棉内衣棉绒衣棉奥棉外衣棉大衣，飞向他心脏的子弹会 - JFF (23 bytes) 2011-01-10, 10:50:22 (535746)

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