| 单词 |
airborne control system |
| 释义 |
airborne control system airborne control system[′er‚bȯrn kən′trōl ‚sis·təm] (geodesy) A survey system for fourth-order horizontal and vertical control surveys involving electromagnetic distance measurements and horizontal and vertical measurements from two or more known positions to a helicopter hovering over the unknown position. Also known as ABC system. |
| 随便看 |
- august 15, 2018
- august 15, 2019
- august 15, 2020
- august 15, 2021
- august 15, 2022
- august 15, 2023
- august 15th
- august 16
- august 16, 2011
- august 16, 2012
- august 16, 2013
- august 16, 2014
- august 16, 2015
- august 16, 2016
- august 16, 2017
- august 16, 2018
- august 16, 2019
- august 16, 2020
- august 16, 2021
- august 16, 2022
- august 16, 2023
- august 16th
- august 17
- august 17, 2011
- august 17, 2012
|