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CAI《元素家族荟萃》多媒体教学光盘是由开卷有益。变化规律、实物周期表、数据库和科学家等5部分组成。共计一张光盘，约650MB。元素周期表是化学教学中的一个重要内容，它几乎贯穿了整个无机化学教学。该多媒体教学光盘作为一个新的教学媒体，可供中学化学辅助教学之用。该课
CAI’s “Cluster of Elements Family” multimedia teaching CD-ROM is beneficial from the beginning. It consists of five parts: law of change, physical periodic table, database, and scientists. A total of about 650MB. The periodic table of elements is an important part of chemistry teaching. It runs through the teaching of inorganic chemistry. The multimedia teaching CD-ROM is a new teaching medium that can be used for secondary chemistry teaching. The lesson