the second
| order
| partial differential
| the second | |
| gen. | 第一 |
| order | |
| el. | 相序 |
| math. | 序关系; 阶 |
| met. | 量级; 序列; 定货; 定 单 |
| sport. | 指示 |
| partial differential | |
| gen. | 偏微分 |
| |||
| 第一〔件，项〕 | |||
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the second : 228 phrases in 44 subjects |