the existing state of development 基本例句 发展现状 Please talk something about the global ITS development actuality and trend?谈谈全球智能交通发展现状和趋势。 The development of barrier technology of PFT at home and abroad was also reviewed.同时还介绍了各种阻隔技术的国外发展状况以及国内燃油箱阻隔技术的发展现状。