The book can be used as self-study material or as a basis for further practice in class or as homework.
本书既可作为自学用书，也可作为课内或课外进一步练习的基础。
This course including interesting children's songs, tongue twisters, stories and classroom expressions, suits for students who have finished 20-30 lessons, also can be use as self-study material.
该课程由有趣的儿歌、绕口令、课堂常用语、故事组成，适合完成了20 ~30课时学习者使用，也可以作为自学材料使用。
We hope that you'll be able to use this material in your classrooms or self-study programmes and we look forward to presenting this to you.
我们希望你们能使用这个材料，在你们的教室里，或者自习的项目，我们期待向你们展示这个。
But with the abundance of self-tracking tools now on offer, everyday changes can become the material of careful study.
但是，应用现有这些庞大的自我追踪工具，每天的变化将会变成宝贵的研究资料。
Each course is further divided in modules, each module coming with study material (a PDF document), and offers the option for self-assessment.
每门课程都进一步分为多个单元，每个单元都有学习资料（PDF文档），并且提供了自我评价的方法。
Objective:To study the biomechanics function of self-locking cerclage band made of biodegradable material poly-DL-lactic acid(PDLLA) in the fixation of fractures.
目的：研究生物降解聚-DL-乳酸（PDLLA）自锁式捆绑带固定骨折的生物力学性能。
This volume shall temporarily be available for self-study only; the student shall pay USD50 to access this material online.
本册教材暂时为自学阅读教材，交纳50美元费用即可在线阅读。
This volume shall temporarily be available for self-study only; the student shall pay USD50 to access this material online.
本册教材暂时为自学阅读教材，交纳50美元费用即可在线阅读。
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