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level surface refinement 水准面精化
The set of points is called a level surface. 这种点的集合被称为等位面。
Figure 7-12 shows a body of mass m on a level surface. 图7-12表示水平面上质量为m的物体。
Products intended to stand should be stable when placed on a level surface. 设计为站立的产品;将其放置在一个水平面上必须是稳定的.
Set this refractometer on a solid and level surface of a workbench, etc. 比如放它在坚实水平的工作台上等等。
A flat or level surface. 水平面平坦或水平的表面
Figure 7-13(a) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall. 图7－13（a）表示一个人穿着无摩擦的有轮滑冰鞋站在水平平面上，面对着一堵坚硬的墙。
Figure 2-1 represents a flat, rigid object of arbitrary shape on a level surface having negligible friction. 图2－1表示一个任意形状的扁平刚体，放置在无摩擦的水平面上。
A dried, leveled surface can be painted or wallpapered. 已干燥平整的墙面可以贴墙纸或粉刷油漆。
Barchan dunes are produced by strong winds blowing across a level surface and are crescent shaped. 强风吹过表面形成弧形沙丘而就是新月形。
Asymmetric dual-angle milling cutter used to point chutes, and inclined spiral groove, level surface. 不对称双角铣刀用来铣削角度槽、斜面及螺旋沟、台阶面。
Check to make sure the engine is mounted on a level surface so that the crankcase is free of tension. 查?定引擎安?在平?被板上以便曲?箱免於?力。
Select a location near the center of the water piping system. It must be installed indoors and in a vertical position on a level surface. 选择靠近水管系统中心的位置。必须在室内的水平地面上立式安装。
The surface that the engine is mounted on must be on an even plane (i. E., A flat and level surface) so that there is no strain on the engine itself. 引擎安?必?是固定在一正平面背板上(即,平和平?表面)?定引擎外?有受到?力。
The process of erosion and deposition in which a nearly level surface is produced, as by streams, wind, or ocean currents. 均夷作用象由河流、风或洋流引起近似平坦的表面的侵蚀和沉积过程
Select a location near the fixture that this water heater will supply. The water heater must be installed indoors and in a vertical position on a level surface. 选择这个热水器所要供水的用具附近的位置。这个热水器必须在室内的水平地面上立式安装。
The shelf slat has many small circle holes which are arranged at equidistance, these small circle hole can help us to arrange the shelf on the level surface for conveniently. 箱内搁板条上每隔一定数量的搁板扣孔有个小圆孔，方便将同一搁板的搁板扣对齐放置在同一水平面上。
This fixture should be provided with a reference leveling surface, so that it can be kept level as the balance deflects. 这种装置应该有一个水平基准面，以便在天平变形时能够使之保持水平。
I'd like a room on the upper level. 我想要楼上的房间。
We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。