single observation
| plot
| single observation abbr. | |
| tech. | 单次观测 |
| Plot abbr. | |
| wind. | 曲线图; 作图 |
| plot abbr. | |
| agric. econ. | 地块 |
| hydroel.st. | 绘图 |
| math. | 作图，区，小区 |
| met. | 标绘; 线图 |
| rem.sens. | 小区; 试验区 |
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| 单次观测 | |||
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single observation : 8 phrases in 3 subjects |
| Electronics | 1 |
| Surveying | 1 |
| Technology | 6 |