质量不灭 | |
tech. | conservation of mass |
10% 定律 | |
tech. | law of ten percent |
10%定律 | |
desert. | ten percent law |
18定律 | |
fin. | Rule of 18 |
定律 | |
busin. | fixed law |
econ. | theorem |
eng.geol. | canon |
hydroel.st. | law; principle |
met. | rule |
| |||
conservation of mass |
质量不灭 : 3 phrases in 2 subjects |
Chemistry | 1 |
Technology | 2 |