Though most of this material is not very complex, it can take some time to fully understand the way XML is used in various applications and the benefits it offers.
虽然这份材料的大部分并不十分复杂,但完全理解XML在各种应用程序中的用法和它所提供的优点还是要花一些时间。
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。
The new material offers an approach that is radically different from a promising type of storage called "phase-change memory" being pursued by I.B.M., Intel and other companies.
这种新材料提供的方法完全不同于i.b.m .英特尔和其他公司在设计的被称为“相变存储器”的新型存储。
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