This unit is now an established part of the course.
这个单元现在为本课程既定的一部分。
And then we'll start in on a different unit of the course.
然后开始这门课的另外一个不同的部分。
Now, of course the smart choice would be to just take the flat unit disk.
当然了，最佳选择是用单位圆盘。
The teaching of taking course as unit is the basic teaching form of distance education.
以课程为单元组织教学是远程教育的基本教学形式。
The teaching of taking course as unit is the basic teaching form of distance education.
以课程为单元组织教学是远程教育的基本教学形式。
应用推荐