Programming in scheme, the development efficiency can be enhanced enormously. However, it is very easy to master and use scheme, because its syntax could be learned quickly.
Scheme具有极高的开发效率，并且相当容易学习，它能使学习它的人从一开始就将注意力放到编程思想上，而不是停滞在学习繁琐的语法上。
The scheme controlled directly to units through RTU by computers in master station has many advantages such as simple, faster and reliable.
文中介绍的由调度端计算机系统通过RTU直接控制发电机组的方案，具有简单、可靠、快速的特点。
The explicit advantage of this scheme lies in that the sub key has a much shorter size than the master key.
子密钥的长度小于主密钥的长度是这种门限方案的优点。
Explains the communication scheme of the master computer and the PLC as well as the communication scheme of PLC1 and PLC2 based on a mine hoist autocontrol system.
以上位机控制的矿井提升自动控制系统为例，介绍了该自动控制系统中上位机与PLC之间以及各plc之间的通讯实现。
Explains the communication scheme of the master computer and the PLC as well as the communication scheme of PLC1 and PLC2 based on a mine hoist autocontrol system.
以上位机控制的矿井提升自动控制系统为例，介绍了该自动控制系统中上位机与PLC之间以及各plc之间的通讯实现。
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