通过举例说明。MATLAB软件包可成功地用于控制系统的仿真与分析，在科研、生产和教学等领域具有广泛的应用前景和推广价值。
Examples show that MATIAB is effective and successful in simulation and analysis of control systems and have great value in scientific research and teaching.
尽管视频、计算机和互联网等创新技术似乎改善了学校的教学方法，但这些技术常常分散了真正的学习。
Although innovations such as video, computers, and the Internet seem to offer schools improved methods for instructing students, these technologies all too often distract from real learning.
脑力和体力活动的交替进行也颇为有效，例如课堂上放电影、磁带、教学卡片，以及让孩子加入小组活动等。
Alternating between physical and mental activities helps, too, as does increasing the novelty of lessons by blending films, tapes, flash CARDS, and group work.
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