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| Subject | English | Chinese |
| tech. | decay ratio method of tritium | 氚衰减比率法 |
| mater.sc. | tritium breeding ratio | 氘增殖比 |
| nucl.phys. | tritium ratio | 氚比氚活性测定 |
| el. | tritium ratio | 氟比【核】 |
| geophys. | tritium ratio | 氟活性测定 M 比 |
| nucl.phys. | tritium ratio | 氚单位 |
| earth.sc. | tritium ratio | 氘比氘活性测定 |
| chem. | tritium ratio TR | 氚比H³/H¹=10⁻¹⁸(原子比)为1TR柞当于一克水中氚放射性为 7.2×10⁻³ 衰变/分 |
| chem. | tritium ratio | 氚比 |