AAR技术标准主要涉及铁路货运方面，以建立行业标准为基础的技术服务，不同组织机构之间的运输协调和铁路技术基础性、耐久性和有效性的研究等。其成员包括美国、加拿大、墨西哥的铁路货运公司、美国客运公司（Amtrak）等。

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