Systemadvantage is that it can amend mark point distortion, thus, accurate observation of vertical displacement can be got. Bimetal mark install veracity depends on quality of digging hole.
The industry cluster is a kind of historic phenomenon. there is a certain factor to predominate its systemadvantage in different ages, and this kind of factor has been evolving continuously.
产业群是一种历史现象，在不同时代都存在着某种特定因素主导它的系统优势，并且这种因素在不断演进。
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"Cayman takes advantage of a legitimate loophole—and the financial system is none the weaker for it," says one regulator in Europe.