Through many such validation studies , the per community provided evidence that helped generate acceptance of new instructional modes in the physics community .
通过许多这样的效度研究,物理教育研究界拿出了证据,促进了物理学界对这些新型教学模式的认可。
The seat-back entertainment screen comes with lots of programming as well as instructional videos for stretching during the flight .
椅背上的娱乐屏幕提供很多节目和操作指导视频,供乘客在飞行旅途中选择。
Part of the instructional software was developed by know labs , a company dr. thrun helped start .
部分的指导软件是由know实验室开发的,这个实验室是在thrun博士的帮助上开设的。
Livemocha.com offers basic instructional tutorials and exercises in some 30 different languages , but the service 's real value is in its community .
livemocha.com提供了30种不同语言的的指导训练和练习,但是它的真正价值是它的社区服务。
He has worked with students from middle school to college as well as given public lectures , demonstrations and even crochet instructional sessions at libraries and museums .