该国只有约总土地面积20%适合于居住。

Only about 20 percent of the country's total land area is suitable for living.

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新西兰总土地面积比英国还大，而人口仅有450万，是世界上最地广人稀的国家之一。

New Zealand's total land area bigger than Britain, with a population of only 4.5 million, is the world's most sparsely populated countries.

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结果表明：该地区低湿地草甸草场单位面积产草量最高，牧草质量好，但仅占总土地面积的0 .5 %左右，只能作为辅助草场；

The results show that the average yield of bottom wetland grassland is the highest, with good quality but its area is about 0.5% of the total area, it can only be taken as accessorial grassland.

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