九年级(上)导学案Unit1ChangingWorld.docx,九年级(上)导学案 Unit 1 The Changing World Topic 1 Our country has developed rapidly Section A 【学习目标】 : 能记住并掌握take place、bell、Africa、volunteer四个单词的拼写和用法, 能理解so…that、 improve 的用法。
In another arrangement, Fig. 3 (not shown), a toroidal drive winding (24) is wound on a cylindrical annular core (20) and the sense winding is arranged with its axis at right angles to the flux generated by the drive winding.FRANK VACHELL PHILPOT...