rectangular loop
| ferrite
| rectangular loop abbr. | |
| met. | 矩形回线 |
| ferrite abbr. | |
| compr. | 纯铁体 |
| desert. | 自然铁 |
| dril. | 亚铁酸盐 |
| life.sc. | 铁酸盐 |
| met. | 铁氧体; 铁淦氧 |
| met. од. | 铁素体 |
| oil | 纯粒铁; 铁质岩 |
| space | 铁酸盐 |
| |||
| 矩形回线 | |||
| 矩形箍 | |||
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rectangular loop : 12 phrases in 8 subjects |
| Chemistry | 2 |
| Electronics | 2 |
| Materials science | 1 |
| Mathematics | 1 |
| Metallurgy | 2 |
| Scientific | 1 |
| Technology | 2 |
| Telecommunications | 1 |