... 露蜂房 nidus vespae 露天菜地 open vegetable fields 露天地下开采 open pit and underground mine ...
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The salt ion content in plastic greenhouse soil was significantly higher than that in open vegetable fields and woodland ones, with salt content up to the salinification soil standard.
大棚温室土壤中的盐离子含量明显高于露天菜地和林地土壤,其含盐量已达盐渍化土标准。
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