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| Subject | English | Chinese |
| agric. | power of hydrogen | 氢离子浓度的负对数 |
| busin. | power of hydrogen | 酸碱度 |
| hydroel.st. | power of hydrogen | 酸碱度 (pH value) |
| agric. | power of hydrogen | 酸碱度 (pH) |
| busin. | power of hydrogen | PH值 |
| sport., med. | power of hydrogen | 氢离子浓度 |
| earth.sc. | power of hydrogen indictor pH | 酸碱度指示器 |
| earth.sc. | power of hydrogen indictor pH | 值指示器 |
| gen. | value of power of hydrogen | pH 值 (logarithm of the reciprocal of the hydrogen ion concentration in gram-molecules per litre) |
| gen. | value of power of hydrogen logarithm of the reciprocal of the hydrogen ion concentration in gram-molecules per litre | 氢离子浓度指数用以表示溶液的酸碱度 |
| gen. | value of power of hydrogen logarithm of the reciprocal of the hydrogen ion concentration in gram-molecules per litre | pH 值氢离子浓度的倒数，用以表示溶液的酸碱度 |