With the growing shortage of energy and the development of people's consciousness to protect environment, many factories are improving their old devices and developing new and efficient facilities.

随着近些年国际上能源紧缺现象的加剧以及人们环保意识的增强，各个工业部门都在不断改造老旧的设备，开发节能高效的新型设备。

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In order to improve PE course and make it efficient, students' interest in PE should be found out and fostered, and their consciousness and enthusiasm in the course should be aroused as well.

不断提高体育课的教学质量，就要努力发现和培养学生对体育课的学习兴趣，调动学生自觉地进行体育锻炼的积极性。

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