date of testing
| ground
| established
| date of testing abbr. | |
| tech. | 试验日期 |
| ground abbr. | |
| el.mach. | 局部地 |
| hydroel.st. | 场地 |
| met. | 土地; 场所; 基底; 根据 |
| oil transp. од. | 地线 |
| space | 靶场; 背景 |
| tech. од. | 接地 |
| established abbr. | |
| gen. | 建立的 |
| busin. | 已建立; 确立的; 设立的 |
| earth.sc. | 确定的; 确实的; 既定的 |
| interntl.trade. | 创设 |
| |||
| 试验日期 | |||
|
date of testing : 3 phrases in 2 subjects |
| Foreign trade | 1 |
| Technology | 2 |