The whole gas which is colliding with the oscillator cools off.与振动子碰撞的整个气体将逐渐冷却.The molecules bounce off each other like two colliding billiard balls.当分子相互弹开时就象两个碰撞的弹球.After colliding, both cars turned turtle.碰撞后, 两部车都翻个...
Draw your child's outline with a heavy black marker.用浓黑色的毡笔画出你孩子的轮廓。IntI 1 integrase gene and class 1 integron marker genes were detected by PCR.PCR扩增检测intI1整合酶基因,sul1和qacE△1基因.A hardpoint marker should be placed at...