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- 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。
- This paper presents a propeller lifting surface method with the inclusion of the effect due to the boss. 为此,本文提供了一个计及桨毂影响的升力面方法。
- A response surface method(RSM) for structure reliability analysis of solid rocket motor(SRM) grain was presented. 发展了一种固体火箭发动机药柱结构可靠度分析的响应面法。
- A flat or level surface. 水平面平坦或水平的表面
- Based on information of abnormal gas zones, a trend surface method is used to simulate gas distributing rule in the paper. 本文在分析瓦斯异常带成因的基础上，采用趋势分析方法，用趋势面来模拟瓦斯带的分布规律，设定趋势分析剩余值的阈值即可以划定出瓦斯异常带。
- 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。
- The response surface method was used to optimize the culture medium for anti-fungus compound produced by Streptomyces 702 under unsterilized condition. 用响应面分析方法对链霉菌702产抑真菌物质生料发酵培养基进行了研究。
- The results indicate that response surface method based on radial basis function is the most suitable for practical problems. 结果表明，基于径向基函数的响应面建模方法最适于实际问题的响应面建模。
- 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。
- Then, uncertainties in load effect of structures under backfill soil pressure are determined with finite element-multiple response surface method. 然后，用有限元-多响应面法计算了现行标准图明洞在填土压力作用下结构内力的概率特征。
- 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。
- 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。
- A method for the optimization of the drawbead geometrical parameters was built , which was based on the response surface method and genetic algorithm. 引入响应面方法和遗传算法建立基于近似模型的拉延筋几何参数反求方法。
- 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。
- The effective tensile stress fields of Caledonian (T_7~4), Hercynian (T_7~0,T_7~4) and recent (T_7~0, T_7~4) were simulated in thin plate-bending trend surface method. 采用薄板弯曲模型趋势面法模拟了加里东期(T_7~4)、海西期(T_7~0、T_7~4)和现今(T_7~0、T_7~4)有效张应力场。
- 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。
- The regression equations and similar factors were used to compare the predicability of the ANN and response surface method based on the binomial equations. 通过线性回归和相似因子法比较人工神经网络和基于二元二项式的响应面法的预测能力。
