level1.tmx corresponds to a TMX level 1 version, -level2.tmx to TMX level 2, and -omegatplus.tmx is an OmegaT+ specific TMX containing certain tags that the program understands.

tmx 对应的是TMX一级版本 -level2.tmx 对应TMX二级 而 -omegatplus.tmx 则是OmegaT+的特殊TMX，包含有程序所认知的特定标签。

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TMX: Translation Memory exchange.

TMX：翻译存储交换。

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Some programs only support old versions of TMX.

一些程序只支持旧版本的TMX。

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Earlier, we saw the London Exchange merging with the TMX Group, in an attempt to create a global competitor to the NYSE Euronext.

FORBES: Could We See A Global Exchange?

The view among the global financial elite is that if the LSE is frustrated in its attempt to merge with TMX, predator will become prey: the LSE itself will be gobbled up by some or other overseas rival.

BBC: Is Canada hurt by saying no to foreign bids.......

But it is fascinating that more-or-less the entire Canadian financial establishment - including Toronto-Dominion, CIBC, Bank of Nova Scotia, Ontario Teachers' Pension Fund and Canada Pension Plan Investment Board, among others - has grouped together to keep TMX Canadian.

BBC: Is Canada hurt by saying no to foreign bids.......