三维航迹规划
3D flight planning
three-dimensional track-planning
three-dimensional route planning
3D route planning
Qi四维系统
Qi’s four-dimensional dynamical system
北京四维图新导航信息技术有限公司
Beijing Si-wei-tu-xin Navigational Information Technology Limited Company
navinfo co.
Ltd.
china navinfo ltd.co.
13 floor Hongyu Building 7 Xueyuan Road Haidian District Beijing
100083
变分四维同化
Four-dimensional variational assimilation
混合四维变分数据同化
hybrid four-dimensional variational data assimilation
交通部第四航务工程局
The Fourth Harbour Engineering Bureau of the Ministry of Communications
经阴道四维超声
Four-dimensional endoluminal ultrasound
离析效果四维图
four-dimensional chart of segregation effect
两步—四维PCR筛选法
Two step four dimensional screening system
全四维技术
full four dimensional technology