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| Chinese | English |
| 水的硬度 | water hardness The amount of calcium and magnesium salts dissolved in water (钙和镁的盐类在水中的溶解量。) |
| 硬度 | hardness Resistance of a solid to indentation, scratching, abrasion or cutting (固体抵抗变形、刮、摩擦、或切割的阻力。) |
| "硬形"指叶 | "scleromorph" |
| 高山硬叶灌木群落 | fynbos |