Music is the key to improving the quality of art gymnastics lesson.
要提高艺术体操课的质量，用好音乐是关键。
Indoor air quality (IAQ) is the important lesson of the current air condition system.
室内空气品质是目前空调系统的重要课题。
Making high quality Lesson plans preparation in English;
认真研读教案，备课，授课，确保课程质量。
Objective To improve the teaching quality of nursing experimental lesson.
目的为提高护理实验课的教学质量。
Objective To improve the teaching quality of nursing experimental lesson.
目的为提高护理实验课的教学质量。
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