经济历史服务可直接下载或与作者联络，收录含欧洲在内的资料，范围涵盖时序资料与美国劳动者调查等各类原始个别资料。
Economic History Services, directly downloadable or an author contact - collection includes Europe and ranges from time series data to various micro datasets such as us surveys of workers.
不过，如果您重新汇入这个xml档，并将它与其他程序码涵盖范围资料合并，则只会保留程序码行涵盖范围的统计资料，而不会保留程序码区块涵盖范围的统计资料。
However, if you re-import this XML file and then merge it with additional code coverage data, only the statistics on line coverage are retained, not the statistics on block coverage.
您也可以将合并程序码涵盖范围资料的结果储存起来，然后再次汇入。
You can also save the result of merging code coverage data, and re-import it.
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