It has taken until now to pin down its exact location.

一直到现在才确定了它的准确位置。

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Investigators scoured social networking sites such as Facebook and MySpace but initially could find no trace of him and were unable to pin down his location in Mexico.

调查人员搜寻了诸如Facebook和Myspace等社交网站，但一开始没有发现他的踪迹，也就无法确定他在墨西哥的具体藏身点。

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When corporations' main assets are intangible the location of their profit is still more difficult to pin down.

如果企业的主要资产是无形资产，那么它们利润的产生地就更加难以确定。

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Because Codiqa couldn't add a customized GPS feature to pin the location of the trees, or a photo uploading capability to capture images of the trees, Mr. Brown turned to W3Schools.org and HTML5rocks.com for online tutorials.

WSJ: App Building, the Do-It-Yourself Way

And sometimes, as is the case with the increasingly prevalent mobile supper clubs, you might not even be able to pin down their location.

BBC: Hong Kong��s secret nightlife spots

In private chat, you can share your current location, pin-mapped.

FORBES: Path 3.0 Is Now A Messaging App Too