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- It is concluded that the freezing and thawing process and the thickness of active layers change with the changes of ground characteristics, affecting the permafrost further. 结果表明，由于工程活动改变了场地下垫面性质，造成了不同场地活动层冻融过程、活动层厚度等的差异，进而影响了多年冻土变化。
- The mineral composition, grinding characteristic and the physical properties of the easily grinding portland cement clinker were studied. 研究了一种容易粉磨硅酸盐水泥熟料的组成、粉磨特性与物理性能。
- The manufacture technique of the PCD cutting tool is introduced, the grinding characteristic the PCD material and the request of sharpening PCD cutting tool to the equipments are analyzed. 介绍了PCD切削刀具的制造工艺,分析了PCD材料的磨削加工特点及PCD刀具刃磨对工装的要求,重点阐述了PCD切削刀具的刃磨工艺及其要点。
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- This paper describes the dressing principle and its grinding characteristics of vitrified bonded CBN wheels trued by cup truer. 研究杯状砂轮修整器对CBN砂轮的修形原理,及修形后砂轮磨削特殊钢的加工特性。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
- This paper describes the grinding characteristics of a newly developed ultrafine-ploycrystalline CBN abrasive grit in creep feed profile grinding of Nickel-based superalloys. 本文描述了用新开发的超细多晶CBN磨料成型缓进给磨削镍基超耐热合金的磨削特点。
- The ground is shut in by a wire fence. 那块地被铁丝篱笆围住。
- This model possessed six edge gr i nding parameters,synthesized edge grinding characteristics of methods for conica l surface edge grinding and helical surface edge grinding. 该模型具有六个刃磨参数,综合了锥面刃磨方法和螺旋面刃磨方法的刃磨特点。
- Last winter the snow lay thick on the ground. 去年冬天，地上积雪很厚。
