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地质学报 1944
APreliminaryNoteonX-andT-shapedJointsAbstract: Jointsarethemostprevalentminorfracturesinrocks.Atfirsttheymaygiveusanimpressionofbeinghazardousinarrangement,butcarefulobservationoftenshowsthattheyreallyoccuraccordingtoacertainrule.Theyareimportantintectonicstudy,becausethroughthemthestress-orientati
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