sand land是什么意思

用法例句

By means of vesualization technique with tracers,the behavior of powerful pill model penetrating into sand soil can be examined.

利用透视示踪技术,对动能侵彻弹丸侵彻沙质土层的运动机理做了分析。

The results are showed as follow: ①If Artificial zeolite was mixed into sandy soil, it can increase effective moisture of sandy soil for cutting down irrigation water.

得到以下结论:①对于沙质土壤这样透水性大的土壤来说,如果混入人工沸石,可以增大土壤的有效水含量和有效雨量,从而可以减少灌溉用水量。

Study on the Relationship between Species Diversity and Productivity of Sandy Grassland Communities in Horqin Sandland;

科尔沁沙质草地物种多样性与生产力的关系

Based on a series of field investigations,in this paper the characteristics of vegetation in a degenerated sandy steppe in Horqin Sandland are compared.

采用经典统计和地统计学的方法,定量分析了放牧与封育沙质草地植被盖度、丰富度、平均高度、密度和Shannon-Wiener指数的变化及其对植被空间结构特征的影响。