第三部分化学结构的绘制 Object Structure Text Curves Object Settings Apply Object Settings from 点击垂直翻转 v Fixed Lengths Ctrl+L Fixed angles F Show Stereochemistry Center on Page CH CH3 Align Distribute Add Frame Group Ctrl+G CH3 Ungroup Shift+Ctrl+G ng to Front Send to Back 乓 Flip Vertical Shift+Ctrl+v Rota +R Scale Ctrl+K 20第三部分 化学结构的绘制 20 点击垂直翻转