使用VT的简单用法是登录tty设备之一，然后这个tty设备将与Linux VT通信。
The simplest use of VTs starts a login on one of these tty devices, which tend to correspond with Linux VTs.
这方案，叫做设备驱动程序或简单的驱动程序，允许设备之间的通信和计算机系统的其余部分与操作系统。
This program, called a device driver or simply a driver, works with the operating system to allow communication between the device and the rest of the computer system.
结果表明，该系统实现简单，通信可靠，移植性强，在印染设备监控中具有很强的推广性。
The results show that the system is simple and communication is reliable, and it can easily transplant and strongly expand to monitoring systems of printing equipment.
并就通信设备震害预测问题做了简单评述。
The questions about earthquake damage of communication equipments are also commented.
由于RS232通信接口协议简单，工业控制系统已广泛应用RS 232口对各种设备进行信号采集和控制。
Since the protocol for RS232 is simple, RS232 has been widely used in various equipment to collect and control the signal data in industrial control system.
短波远距离通信具有设备简单、电离层不易遭受人为破坏的特点，因此，短波通信具有极其重要的战略地位。
The equipment of the short wave communication for telecommunication is simple and ionosphere can not be easily destroyed by man.
一种用按键代替拨号盘的电话机，可作为最简单的数据通信设备。
A telephone unit which is with touch-keys to substitute the dialing board. It can be used as a simplest data communication device.
在系统的硬件部分，主要谈到了数据的采集，包括采样原理以及采样设备，并对外部设备与PC机通信做了简单介绍。
During the hardware part, mention data acquisition, including sampling mode and equipment, simultaneously, introduce the communication between the peripheral equipment and PC.
最后，详细地讨论了USB设备驱动程序的设计和调用，并简单地介绍了数据采集和控制系统的控制面板以及USB与串口通信板的控制面板的设计、作用和功能。
Finally, it dwells on the design and invoke of USB device's driver program. Furthermore, the functions and purposes of the DACS and communication board's panel are introduced simply.
采用该协议可以设计出简单可靠的串行通信程序，能够满足自动化系统中设备之间的数据通信要求。
By the use of this protocol, a simple and reliable serial communication program can be designed to satisfy the need of data serial communication between the devices in automatic control system.
由于短波通信具有抗摧毁能力强、设备简单、临时组网方便等特点，短波电台已成为应急通信的首选方式，具有很高的研究与开发价值。
Because of the anti-jamming ability, simple equipment and easy for temporary networking, short-wave radio has become the preferred method of emergency communication, and have great value in research.
通过实践验证，LDSS98是一个实用的调度通信系统，具有通信容量大、系统设备简单、成本较低、可靠性高等特点。
Experiment results show that LDSS 98 is a very practical dispatching communication system with large communication capacity, simple structure, low cost, and high reliability.
通过实践验证，LDSS98是一个实用的调度通信系统，具有通信容量大、系统设备简单、成本较低、可靠性高等特点。
Experiment results show that LDSS 98 is a very practical dispatching communication system with large communication capacity, simple structure, low cost, and high reliability.
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