And if you try to ration the time they can spend (say, "only until lunch") they spend all the time away from the screen moping like addicts looking for their hit.
如果你尝试限制他们玩游戏的时间(比如说，只能玩到午饭时间)，那么他们一旦离开电脑屏幕，都会像瘾君子一样愁眉苦脸，想尽办法寻求他们的刺激。
The optimum ma-chine index (ration of screen acceleration to acceleration due to gravity) can be adjusted to each particular application by means of the variable out-of-balance force.
对于每一个具体的应用案例。可以通过调节偏心力获得最优的设备运行参数{筛分加速度和重力加速度的比值！
Screen printing is a main process of surface deco- ration for plastic parts in electronic industry.
丝网印刷是电子产品中塑料零件表面装饰的主要工艺之一。
Screen printing is a main process of surface deco- ration for plastic parts in electronic industry.
丝网印刷是电子产品中塑料零件表面装饰的主要工艺之一。
应用推荐