While Ms. Kirchner questions the instructional effectiveness of online courses, she said there was a place for them at some level.
当科内尔女士问及在线课程的效率时，她说会为学生们设立不同的水平标准来选择。
2
All classes are taught by faculty coaches or certified specialists who bring a high level of expertise to each instructional area.
所有课程由该科系之专业教练或持有证书之专家所教授，为各个指导领域带来了高度的专业性。
3
This paper describes the design of a kind nuclear gauge union function instructional meter, for experiments with three types of nuclear gauge-including level gauge, density gauge and thickness gauge.