If this tree-planting experiment works in the Negev Desert, forests might be able to grow in many barren parts of the world that are too dry for most trees.
如果这项植树计划在内盖夫沙漠试验成功的话,或许在世界上许多因干燥而使植物难以生长的不毛之地,都可以植树造林的。
The dry friction experiment showed that the wear resistance of the composite was greatly improved by electromagnetic stirring.
干滑动摩擦磨损实验表明:施加电磁搅拌后,复合材料的耐磨性能提高。
To explore suitable fertilization method of rice direct seeding on dry land, plot experiment of different base-manure amounts was designed and carried out.
为探索适合水稻旱直播栽培的施肥方法,开展不同基肥用量的小区试验。
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