名词 level:

1. a position on a scale of intensity or amount or quality

2. a relative position or degree of value in a graded group

3. a specific identifiable position in a continuum or series or especially in a process

4. height above ground

5. indicator that establishes the horizontal when a bubble is centered in a tube of liquid

6. a flat surface at right angles to a plumb line

7. an abstract place usually conceived as having depth

8. a structure consisting of a room or set of rooms at a single position along a vertical scale

levelsn.层次名词level的复数形式.动词level的第三人称单数形式.leveln.数量；等级；水平；水平线adj.平的；等高的v.弄平；夷平；对准adv.<废>水平地level hunting电平摆动, 弧层选择level routing层次路由leveling-upn.整平；拉平；平衡；均衡level terrain平坦地区level of risk风险度leveling plan高程透写图level service水平运输,阶段运输level bombing水平轰炸level a rifle用步枪瞄准leveled model层次模型

1. The preliminary computation is the same as that for ordinary levelling.
   概算与普遍水准测量相同。