课时 的中文句子和英文句子

当学校开设新的数学课时，许多家长对此感到迷惑不解。

When new math was introduced into schools, many parents were perplexed by it.


上课时量，计算学分的学习量学术研究的固定量，用作计算专科院校学分的基础，通常按教室教育或实验室工作的小时测量

A fixed amount of scholastic study used as a basis for calculating academic credits, usually measured in hours of classroom instruction or laboratory work.