查询词典 plane surface
- 与 plane surface 相关的网络例句 [注:此内容来源于网络,仅供参考]
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First, a map between the cones and tangent surface on C-Bézier curve und two-dimensional plane is found respectively and then a ruled surface between two Bezier curves is constructed and a sufficient condition on its developablity is given.
zier曲线上锥面、切线曲面的展开方法。然后,构造两条空间B?zier曲线上的直纹面,给出了它成为可展曲面的一个充分条件,并通过保角保长原则,将其贴合到平面上。
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Wooden floor installation checks and accept a standard: Material should accord with resident requirement and active product standard; The floor is installed should firm, breathed noise, without become loose; Wooden floor surface should plane burnishs, wait for a phenomenon without broken bits of dig mark, dig and burr, the floor of besmear varnish its design should clear; Juncture of floor spelling a flower is answered neat, aperture width is consistent, the surface is clean, without excessive glue phenomenon; Skirting board and floor connection are close; The edge on skirting board is flat, differ high endlong should not be more than ± 3 millimeter and metope are clingy, without aperture.
木制地板安装验收标准:材料应符合住户要求及现行产品标准;地板安装应牢固、无声响,无松动;木地板表面应刨平磨光,无刨痕、刨渣和毛刺等现象,涂清漆的地板其图案应清晰;拼花地板接缝应对齐,缝隙宽度一致,表面洁净,无溢胶现象;踢脚板与地板连接紧密;踢脚板上沿平直,全长高差应不大于±3毫米与墙面紧贴,无缝隙。
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A terrains sloe and direction may be computed relative to a plane though the elevation model points. Slope degrees and direction are useful in simulations of precipitation runoff and in defining drainage areas . The triangle terrain model, which comprises sloping triangular surface, is ideal for simulating terrain surface conditions .
坡面和坡面方向是可以藉由三角形的三个角的座标来计算出来,坡度通常是用度数或者百分比的关系来表达和水平之间的关系,坡度方向度数的表示几乎是从北边开始。
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The simulation of Fe doped sphalerite (110) surface and Cu adsorption on the sphalerite surface were performed by using plane wave-pseudopotential approach based on density-functional theory.
摘 要:采用基于密度泛函理论的平面波赝势法对含铁杂质闪锌矿(110)表面电子结构及铜在闪锌矿表面的吸附进行模拟。
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If you try to spread a saddle surface on a plane you will have to make folds in it, whereas doing the same with a spherical surface you will probably tear it if it is not elastic.
如果你把一个马鞍状的表面在一个命名上展开,你必须重叠一部分,而如果你展开的是一个球面,如果它不是由弹性的,你就可能会撕裂它。
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Based on subdivision of surface, a tangent plane method of calculating distance from point to free surface is put forward.
在拟合曲面细分基础上,提出切平面法快速求解点到自由曲面距离。
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Suppose that is a point on a surface S with equation F=O and that the partial derivativesand are continuous and not all equal to zero at M, then the tangent plane to surface S at point M is given by
假设是方程所确定的曲面S上的一点,F的偏导数在该点连续且不同时为零,则曲面S在点M的切平面的方程是
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A gear H62 which made in yellow brass with the same mode number m=0.34, 2mm thick and had a center hole, when the gap get C=0.5%t , and punched with compound punching die, and the dimension accuracy reached IT7, the part have a flat surface ,the verticality of tangent plane reached 89.5°, its roughness Ra magnitude are 12.5μm, height of burr are 0.10mm; and the punching part are punched with progressive die, the gap C=7%t , initial accuracy are IT11, and have an more rough surface, even can see the gap with eyes.
例如料厚t=1.5mm的H62黄铜冲裁件,选用C≤40%t单边Ⅰ类小间隙冲裁比选用C≤8%tⅢ类大间隙冲裁,冲件固定误差将加大40%~60%,精度至少降一级。此外,采有无搭边排样,冲件的误差要远大于有搭边排样冲件。无搭边排样冲件。无搭边排样冲件的精度低于IT12级,而多数有搭边排样的冲件精度在IT11~IT9级之间,料厚t>4mm的冲件,尺寸精度会更低一些。
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The smaller ones are ca 70 nm wide and join the tectum and the larger columellae. These larger ones appear to be composed of several 70 nm in width rods. They join the distal surface of the foot layer. The proximal surface of the foot layer is marked by a white line (referred to as a junction plane) where it joins the endexine.
柱层中有种大小同的柱体,较小的宽约70 nm接盖顶层和较大的柱体,而较大的柱体是由多个宽70 nm的棒物所组成的,它们会和基层末端相,而基层顶端表面有著明显分布的白线特徵,就好像是它与外壁内层的接合面。
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The direction of crack propagation is victual to the direction of maximum stress if the anisotropy of material is sufficiently weak. Universality of fractal dimension of fractured surface would be easy to appear in this case. On the contrary, the crack propagates along the plane with the lowest surface energy.
当材料结构的各向异性特别显著时,裂纹的扩展沿着比表面能最小的方向扩展,这时,断口分维与材料本身的结构有关,表现为断口分维的特殊性;反之,当材料结构的各向异性特别微弱时,裂纹的扩展垂直于最大应力方向,在这种情况下,材料的断口分维与普适性有关。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。