空中距离 meaning in Chinese

ad air distance
airline distance
bee line

The distance from harbin to beijing is 989 km
哈尔滨到北京的空中距离是989公里。
Live working . required insulation level and related air distances . calculation method
现场作业.额定绝缘水准和相关空中距离.计算方法
Chongqing is 45 minutes away by air from chengdu where the philippines is to set up a consulate for central and western china
重庆与成都空中距离45分钟，成都是菲律宾将要在中国中西部设立领事馆的城市。