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| Subject | Chinese | English |
| tech. | 成熟区 | zone of maturation |
| agric. | 成熟区 | maturation region (zona maturationis) |
| life.sc. | 成熟区 | maturation zone |
| life.sc. | 成熟区 | maturation region |
| agric. | 成熟区 | maturation zone (zona maturationis) |
| tech. | 成熟区 | ripening zone |
| oil | 成熟油气区 | mature hydrocarbon province |
| nurs. | 软骨成熟区 | zone of maturing cartilage |