control system element meaning in English

控制系统组成部分

Other control system elements such as field measurement devices and control valves will be replaced as needed
其他控制系统组成部分例如现场测量装置以及控制阀等将视其需要而更换。
Based on the new realizasation of teaching procedure in chemistry teaching situation think there are six elements , including instructors , students , text , experiments and teaching environment on the render us of teacher ' s instr - uction , students " learning and subject knowledge . it also concludes that the aims , models and tactics of teaching is the consequence of teachers " policy - making during the chemistry instructional procedure system as well as the controlling system element in class teaching system , so the article makes the six elements together and sets up a teaching system structure model which is more deficit in signification , clearer in structure
基于教育转型背景下我们对化学教学系统要素的新认识和对教学过程本质的新理解，认为在教师的教学、学生学习、化学学科知识的交汇处? ?教学情境中的化学教学系统要素有教师、学生、文本、化学实验、教学环境、教学理论六个方面，而将教学目标、教学模式、教学策略等作为教学系统运作的“软件” ，是教师教学决策的结果，也是教学的控制系统。