Research purposes: the purpose was to make readers to learn the basic instruction, control way, programming concept and programming method through the analysis of several control programmes of PLC.
研究目的：通过对几个PLC控制程序的分析，使读者了解PLC程序的基本指令、控制方式和编程思想，初步掌握PLC的编程方法。
The research in this paper can provide the method instruction for the application of the environmental impact evaluation methods and the determination the reference environmental model.
本文的研究可以为污染物环境影响评估方法的应用以及火用分析方法中基准环境模型的确定提供指导与参考。
By means of the method of natural instruction experiment, the research examined the effects of psychological health education in health belief, health behavior and health level.
本文采用自然教学实验的研究方法，探讨心理健康教育对高师生健康信念、健康行为和健康水平的影响。
The proper method of thought may give good instruction to scientific research, inference to the best explanation is one of the important ones.
科学研究需要正确的思维方法的指导，而最佳解释推理就是一种重要的思维方法。
The external field of the truck was simulated by the CFD method. The result of numerical simulation provides an instruction for the truck design and research.
采用CFD方法对集装箱货车外流场进行研究，数值计算结果对于货车的设计与开发具有一定的指导意义。
The present study aims at exploring new method of reading instruction. I hope that it would provide insights into research about how to improve reading comprehension.
该研究是对阅读教学提供了一个新的视角，希望能对英语阅读教学有所启迪。
The present study aims at exploring new method of reading instruction. I hope that it would provide insights into research about how to improve reading comprehension.
该研究是对阅读教学提供了一个新的视角，希望能对英语阅读教学有所启迪。
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