• 1. Time sequence controlling: 时序控制
• 2. light controlling in time-sequence: 照明时序自动控制

• 1.S7-200 series PLC of SIEMENS company is used in order to achieve the aim of controlling the time-sequence, precision and charge circuit.
  用当前占主流地位的西门子s7 - 200系列PLC进行编程，实现合成回路动作过程的时序控制、精度控制以及充电电路的控制等。
  dict.yoduao.com
• 2.In the software design, the measures of controlling the time sequence of transmitting and receiving data packet are raised to improve the communication efficiency.
  在软件设计中，通过控制数据包的收发时序提高通信效率。
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