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| range; rangeland | |||
| meadows (Pl) | |||
| meadow | |||
| grassland Grassland cover nearly one-fifth of the Earth's land surface. They include savannah, the prairies of North America, and the steppes of Russia and Central Asia. Grassland ecosystems support thousands of different species, above and below the ground, and have a vital part to play maintaining the ecological balance of the world | |||
| prairie; plain | |||
| pasture | |||
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| meadow Strictly a term for a field of permanent grass used for hay, but also applied to rich, waterside grazing areas that are not suitable for arable cultivation; meadow (pratum) | |||
| Grasslands | |||
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pradera : 155 短语, 13 学科 |
| 一般 | 10 |
| 农业 | 114 |
| 哺乳动物 | 1 |
| 土壤科学 | 5 |
| 林业 | 1 |
| 气象 | 2 |
| 海洋学(海洋学) | 4 |
| 环境 | 5 |
| 生命科学 | 4 |
| 畜牧业 | 4 |
| 联合国 | 1 |
| 自然科学 | 3 |
| 自然资源和野生动物保护 | 1 |