1.
Research on Configurable Protection and Automatic Equipment Based on the IEC61131-3;
基于IEC61131-3的组态式保护装置的研究
2.
Research and Application of PLC System Based on IEC61131-3 Standard;
基于IEC61131-3标准的PLC系统研究与应用
3.
Research and Development on the Programming Environment Based on the IEC61131-3 Standard;
基于IEC61131-3标准编程环境的研究与开发
4.
The PLC System Program Design Based on IEC61131-3;
基于IEC61131-3标准的PLC底层开发
5.
PLC Programming Environment Based on IEC61131-3 Standard
基于IEC61131-3标准的PLC编程环境
6.
Design and Implement of PLC Based on IEC61131-3 Standard;
基于IEC61131-3标准的可编程控制器的设计与实现
7.
Design and Implement of Function Block Configuration Software Based on IEC61131-3;
基于IEC61131-3标准功能块组态软件设计与实现
8.
Research and Development of Strategy Configuration Software Package for Distributed Intelligent System Based on IEC61131-3;
基于IEC61131-3标准的分布式智能系统策略组态软件包开发研究
9.
The Realization of Ladder Diagram Software in PC and Displaying Arithmetic Based on the Standard IEC61131-3;
基于IEC61131-3标准的plc梯形图上位机软件及反显算法的实现
10.
The Design of Soft Embedded PLC Virtual Machine of IEC61131-3 Standard;
基于IEC61131-3标准的嵌入式软PLC虚拟机的设计与实现
11.
Application of IEC61131-3 in Powder Pneumatic Conveying Control System
IEC61131-3标准及其在聚丙烯风送控制系统模块化编程中的应用
12.
The Research of the Embedded System Controller According to IEC61131-5 Standard;
符合IEC61131-5标准的嵌入式控制器的研究
13.
The Research and Implementation of PLC Based on IEC61131;
基于IEC61131标准的可编程控制器研究与实现
14.
Three to the third power is three times three times three, which equals 27.
3的3次幂相当于3乘3乘3，等于27。
15.
Three goes into nine three times.
9 是3 的3 倍。
16.
On "3+3+3+3" Mode of Industry Chain: Its Construction and Innovation;
论产业链建设与创新的“3+3+3+3”模式
17.
√3 is the radicand of 3.
3的被开方数以√3表示。
18.
3 and -3 are radicals of 9.
3和-3是9的平方根。