这数值与理论的最小值很接近.This value corresponds closely to the theoretical minimum.因此, 在足够高的能量下,吸收系数便由最小值开始增加.Therefore, at sufficiently high energies the absorption coefficient begins to increase after passing through a minimum.错误...
Our militia fired off volley after volley from antiaircraft artillery.我民兵的高射炮连续射击.The antiaircraft guns opened up.高射炮开始射击.The antiaircraft guns shot down three enemy planes.高射炮击落了三架敌机....