在大多数系统中，驾驶员通过触摸屏或磁盘输入意愿的地址、高速公路交叉点或感兴趣的地点。
On most systems, a driver enters a desired address, motorway junction or point of interest via a touch screen or disc.
这两个操作系统都支持多点触摸和使用虚拟键盘进行文字输入。
Both operating systems support multi touch and USES virtual keyboards for text input.
控制系统用PLC作为下位机进行现场控制，通过触摸屏输入开关、频率、温度等信号，实现对使用的热源温度，风速，流量等进行精确的调节。
The PLC unit and the touch screen are employed for local control of the system to achieve precise adjustment to the temperature of heat source, the speed and flow of air.
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