全息图可以通过反转显现出逆像。The hologram can be flipped to show the inverse image.我们可以用各种方法来实现这种必要的粒子数反转.The necessary population inversion can be achieved in a variety of ways.在音像拷贝中,色调值是反转的.In a negative copy the tonal values are r...
Bruises, sprains, muscular pain, muscular fatigue, lumbago, stiff shoulders, backache.跌打扭伤, 肌肉疼痛, 肌肉疲劳, 腰痛, 肩肌僵直, 背痛.The pear had bruises of dark spots.这个梨子有碰伤的黑斑。Several police officers received medical treatment for cu...