 |
| |||
| 初始水位; 起始标高 | |||
| 初始水平水准，水位，标高; 初始水平 【水位，标高】 | |||
| 起始水准面 | |||
| 起始电平 | |||
| 零米高程; 基准面高程; 初始能级 | |||
| |||
| 初始水平 | |||
| initial level: 9 phrases in 6 subjects |
| Cryptography | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Mining | 1 |
| Space | 2 |
| Technology | 3 |
|
| |||
| 初始水位; 起始标高 | |||
| 初始水平水准，水位，标高; 初始水平 【水位，标高】 | |||
| 起始水准面 | |||
| 起始电平 | |||
| 零米高程; 基准面高程; 初始能级 | |||
| |||
| 初始水平 | |||
| initial level: 9 phrases in 6 subjects |
| Cryptography | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Mining | 1 |
| Space | 2 |
| Technology | 3 |