Basically, the purpose of this indexer is to return a point corresponding to a given row and column on the drawing surface. Follow these steps.
本质上，该索引器的目的是返回一个与绘制面上已知的行和列相对应的点。
However, I would be careful about drawing together the MPs' expenses row, bankers and phone-hackers in all this.
对于将国会议员经费争议，银行家和电话骇客扯上这件事，我会很谨慎。
In the 17th century scaled-down carillons are introduced into the drawing-room: the musical clock contains a row of bells which are played by a pro grammed cylinder just like the tower carillon.
17世纪，小型的组铃进入了家庭：在带音乐的钟里有一排铃，由一个乐曲编码滚筒来演奏，就象钟塔里的组铃一样。
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