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香荽急忙道：我等会去瞧瞧二姐姐。悯芮说的对么，根本行不通。笑闹声中，晚饭终于结束了。1: The color of the tag is different from that of the earlier version or that of the regular company. The blue color of the regular company is darker.BIM technology has changed the traditional modeling thinking, realized the technological innovation of three-dimensional to multi-dimensional information modeling, and truly realized collaborative design. Through the promotion and application of technology, it has become an effective auxiliary tool for owners in the decision-making stage, and the necessary ability for design and construction units to undertake large projects. At present, foreign scholars pay more attention to the interdisciplinary and cross-domain comprehensive application of BIM technology to realize overall management in various aspects and to realize all-round cooperative work in various construction stages, various specialties and during operation. At present, foreign BIM technology is mainly applied to construction, design and operation management in subway.