棕榈树在太平洋和煦的微风中轻轻地摇动。Palm trees stir in the soft Pacific breeze.她摇动摇篮哄婴儿入睡。She rocked the baby to sleep in its cradle.他感觉到脚下甲板的摇动.He felt the sway of the deck under his feet....
Care is needed when loading the roll to prevent twisting or kinking the film...装胶卷时要小心，别使胶片扭结。Describes the static calibration methods of accelerometer: gravitational attraction method, loading method and centrifuge meth...