These enable your applications to update individual column values, or to scroll through result sets backward or forward.
这些方法使您的应用程序可以更新单个的列值，或者前后滚动结果集。
2
Skip forward to 2006, when Apple filed for a patent for an onscreen keyboard, gesture recognition and a virtual scroll wheel.
来到2006年，此时苹果公司为屏显键盘，手势识别和虚拟鼠标滚轮申请专利。
3
The author scroll compressor operation appeared in the process of some detailed analysis of the fault, and put forward the corresponding measures to improve it.