As an additional feature, the function also tests whether the global position of the new row already appears in the parent path.

作为附加的功能，该函数还测试新行的全局位置是否已经出现在父路径中。

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NEXT you use the before first command to position the cursor before the first row so that you can call the NEXT command to access the first row in the cursor.

接下来，使用BEFORE FIRST命令把游标定位到第一行之前，这样才可以调用NEXT命令来访问游标中的第一行。

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The boats are broadside on the shore and each row is made fast, side by side, the whole secured by chains and anchored at the outer side to keep them in position.

船横靠在岸边，每条船都并排紧紧地绑在一起，链条穿起每条船保证安全，在外侧把锚放下固定它们的位置。

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Kubica, who has two second-place finishes this season, also played down his chances of capitalising on his front row position on the grid.

BBC: Hamilton takes Canadian GP pole

The defeat ended a miserable week for Saracens, who have become embroiled in a club v country row over which position former Great Britain rugby league captain Andy Farrell should play.

BBC: SPORT | Rugby Union | My Club | Saracens | Saracens 29-40 Blues

Managed-money accounts significantly raised their net-long position in gold to 189, 870 contracts for futures and options combined, the sixth week in a row that speculators added to their net-long position, HSBC said.

FORBES: FOCUS: Speculators Add To Bullish Gold Positions For Sixth Week - CFTC