整个喀布尔都能看到腾起的黑烟.The rising plume of black smoke could be seen all over Kabul.从那里到喀布尔只需走上3英里。It was only a three-mile walk to Kabul from there.卡拉什尼科夫冲锋枪的声音和连续不断的大炮声在喀布尔回荡。Kabul resounded to the crack of Kalashnikov fire an...
匹配负载阻抗之传输线上无反射.No reflection will appear on a line with matched load.研究弱激光驻波场中的无反射势阱.The reflectionless potential well affected by a standing laser field is studied.光线被黑面吸收(而无反射).Light rays are absorbed by black surfaces...