The prontpage interface of Web courseware includes glassiness buttons of course learning, course project, Web test and review, duologue between teacher and student, and user registration etc.
其首页界面包括:课程学习、课程大纲、网上测、
交流、用户注册等
质感按钮。
The prontpage interface of Web courseware includes glassiness buttons of course learning, course project, Web test and review, duologue between teacher and student, and user registration etc.
其首页界面包括:课程学习、课程大纲、网上测、
交流、用户注册等
质感按钮。
For sinter with 25% and 50% MAC fines the iron oxides mainly consisted of hematite and magnetite, the bonding phase were mainly dicalcium silicate, glassiness, and a few amount of calcium ferrite.
配比为25%50%的两种烧结矿中铁
化物均以赤铁矿、磁铁矿为主,粘结相主要以铁酸钙、硅酸二钙
质为主,但铁酸钙数量不多。
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