unplanted是什么意思_unplanted短语搭配_unplanted权威例句

权威例句

1. While the residual concentrations of phenanthrene and pyrene in the soils were in a range of 53.6% and 78.3%, lower than those in unplanted soils.

而残留浓度则比对照约低53.6%和78.3%。

2. The rainy season will come to South Sudan in just a few weeks, but many fields remain unplanted because people have fled their homes.

几周之后，南苏丹将进入雨季，但由于人们背井离乡，许多田地还没有播种。

3. Indeed, farmers who planted their entire field would earn about$ 27000 in profit per farm, whereas those who left a third unplanted for bees to nest and forage in would earn$ 65000 on a farm of similar size.

把所有农田种满的农民，每个农场的收益约为2.7万美元（约合17万元人民币），而对于那些面积相当的农场，如果留出三分之一的农田不耕作，而是供蜜蜂筑巢和搜寻食物，其收益则为6.5万美元。

4. It was observed that the activities of polyphenol oxidase, catalase and acid phosphatase enhanced in planted versus unplanted soils with phenanthrene and pyrene.

总体来看，菲芘复合污染土壤中，植物提高了土壤多酚氧化酶、酸性磷酸酶和过氧化氢酶的活性。

5. A year later, many fields remain unplanted;

一年后，许多土地依然荒芜；

6. Effect of different recirculation ratios on removal efficiency of nitrogen in unplanted vertical flow constructed wetlands

不同回流比对无植物垂直流人工湿地除氮效果的影响

7. The unplanted fields as yet were only cracked colds of dry earth; the mulberry trees reigned supreme here this time of the year!

田里现在还只有干裂的泥块，这一带，现在是桑树的势力！