求翻译：教师通过集体备课的形式来录制教学，在加强教师之间的沟通和交流的同时真正实现教育资源的共享，使教学内容和难度、课型设计更加完美，是什么意思？

Teacher preparation in the form of collective record instructional videos , in strengthening communication and exchanges between teachers at the same time realize the sharing of educational resources , teaching content and difficulty , lesson design more perfect,

Teachers in the collective preparation of forms to record a teaching video, and to strengthen communication between teachers and exchange of real resources for education, sharing, and teaching content and degree of difficulty, and design a more perfect,

Teacher the form which prepares a lesson through the collective transcribes the teaching video frequency, while strengthens between teacher's communication and exchange true realization education resources sharing, causes the course content and the difficulty, the class design is more perfect,

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