The chemical experimental instruction system is the most important subsystem of the chemical experimental education.
化学实验教学系统是化学实验教育中最重要的一个子系统。
Online test system is an important component in instruction evaluation.
在线考试系统是教学评估的重要组成部分。
Please read the instruction carefully before use our system!
务必认真看完说明书后,再使用本系统!
Please read the instruction carefully before use our system!
务必认真看完说明书后,再使用本系统!
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