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瞄准装置
1、scanning devices───扫描设备
2、devices───n.[机][计]设备；[机]装置；[电子]器件（device的复数）
3、pointing to───指向
4、pointing at───指向……
5、pointing device───n.定点设备
6、pointing out───指出，指明
7、pointing───n.（勾墙砖、石缝用的）灰泥，灰浆；勾缝；v.指向；表明（point现在分词）
8、devious devices───诡计
9、pointing up───v.使尖锐，强调
1、It handles user input through the keyboard and pointing devices.───它处理用户通过键盘和指针设备所进行的输入。
2、Two integrated pointing devices include passive Touchscreen and Touchpad.───两个集成的指针设备包括被动触摸屏和触摸板。
3、Pointing devices include mice, trackballs, joysticks, light pens, digitizing tablets, and so on.───指示装置包括鼠标、跟踪球、Cao纵杆、光笔、数字化书写板等等。
4、Kiosk users typically don't have access to keyboards or pointing devices, and often wouldn't be able to use either effectively if they did.───信息亭通常不提供键盘或者鼠标设备，即使有这些输入设备，人们使用起来也不是非常顺手。
5、Analysis of operation controllability and stability of computer pointing devices───计算机指点装置的Cao作可控性和稳定性分析
6、Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen.───输入设备包括键盘和点击设备如鼠标，Cao纵杆，跟踪球或光笔。
7、Because of this limitation, we use a variety of other pointing devices, the most popular of which is a mouse.───由于这个不足，我们使用一些其他点Cao作设备，其中最为广泛的是鼠标。
8、Other computer pointing devices include light pens, graphics tablets and touch screens. but the mouse is still our workhorse.───其他电脑指针设备还包括光笔，图形片和触摸屏等，但鼠标仍然是我们的主要工具。
1、Like keyboards, which vary in size and feel, pointing devices are a matter of personal preference.
2、Laptops come with three basic types of pointing devices: a track ball, a mini-joystick or a touch pad.
3、Input devices include keyboards and pointing devices such as mouse, joystick , track ball, or light pen.