为了避免着陆时出现事故，中国航空公司和监管机构还采用了先进的卫星导航作业，某些方面还超过了美国多数地区的水平。
To combat landing accidents, Chinese airlines and regulators also have embraced advanced satellite-navigation procedures that, in some cases, leapfrog those used in most of the U. S.
之后她继续从事斯坦福研究项目中有关卫星导航系统的研究，联邦航空局资助了这一项目。
She continues to work on the satellite navigation systems as part of a Stanford research program funded by the FAA.
之后她继续从事斯坦福研究项目中有关卫星导航系统的研究，联邦航空局资助了这一项目。
She continues to work on the satellite navigation systems as part of a Stanford research program funded by the FAA.
应用推荐