直紋面 的英文怎麼說
中文拼音 [zhíwénmiàn]
直紋面
英文
ruled-
Gorb and colleagues found that zebra tarantulas secrete tiny bits of silk from nozzlelike structures in their feet. these tethers allow the arachnids to scale vertical surfaces
戈爾博和同事發現，斑馬紋狼蛛腳上有一個類似嘴的結構會分泌細小的絲.這些絲會幫助它們攀登垂直的表面The diameter is 24 centimetres, black, is it make gold and silver thin slice conduct hi, dark green dragon design kind of play, paste in painting childing smooth of polishing with paint among dark green space to carve, after being dry, overall xiu several of paint is it show honeysuckle line to grind and then, make pattern and paint bottom up to the same pingdu, in addition push the light to become exquisite and flat to take off the lacquer ware
直徑24厘米，黑地，將金銀薄片刻製成行於蒼宇間嘻戲的蒼龍紋樣，用漆粘貼在打磨光滑的漆胎上，待乾燥后，全面髹漆數層再經研磨顯出金銀花紋，使花紋與漆底達到同樣平度，再加推光則成為精美的平脫漆器。The diameter is 15. 5 centimetres, 8. 5 centimetre high, is it make various kinds of flowers line kind to carve gold and silver thin slice, paste in painting childing smooth of polishing with paint, after being dry, overall xiu several of celluloid paint is it show the honeysuckle line to grind and then, make pattern and paint bottom reach same pingdu, push away light become a exquisite one flat to take off the lacquer ware in addition
直徑15 . 5厘米，高8 . 5厘米，將金銀薄片刻製成各種花卉紋樣，用漆粘貼在打磨光滑的漆胎上，待乾燥后，全面髹透明漆數層再經研磨顯出金銀花紋，使花紋與漆底達到同樣平度，再加推光則成為精美的平脫漆器。Finally, the complex surfaces are developed by partition of the surfaces into small surface segment, and approximation of the small segment with the developable surface between two bezier curves
Zier曲線上的直紋面，給出了它成為可展曲面的一個充分條件，並通過保角保長原則，將其貼合到平面上。Through stress, displacement straight - line picture and the strain ratio of two supports before it cracks, the stress and displacement fields of symmetric and asymmetric samples under static conditions are observed
通過裂紋啟裂前的應力、位移等直線圖及兩個支座的應變之比，觀察靜態條件下對稱試件及非對稱試件裂紋面兩端的應力場和位移場。The effects of different geometric interfaces on waves propagation in anisotropic rocks were simulated. three structures, including the corner structure, the straight structure and the multi - stripe structure, were discussed
模擬了位於各向同性巖石中的爆炸點源產生的彈性波在具有規則幾何界面的巖石（角結構、平直界面結構以及多條紋結構）中的傳播。Semi - automatic cutting machine, straight strap and 45 - degree diagonal cloth rolling machine suitable for cloth, adhesive - bonded fabric, tent, umbrella, sponge foam, leather, reflective material, plastic, paper, two - side glue, acetate fabric, reinforced belt, conductive cloth, copper, foil and other materials of various width straight
半自動切捆條機及直紋， 45度斜紋卷布機適用於布料，無紡布，帳篷，雨傘，泡棉，皮革，反光材料，塑膠，紙張，雙面膠，醋酸布，補強帶，導電布，銅箔等材料各種寬度直條， 45度斜條的卷布及裁切。3. again applying the idea of singular blending to case of surfaces, a nuat b - spline interpolating blending surface is constructed by a explicit means and maximum distance between the interpolating surface and singular bilinear patch can be adjusted by the blending parameter similar to the case of the curve above. furthermore, some singular elements such as edges 、 ruled surfaces and plane can be conveniently embedded in the interpolating blending surface
3 .將奇異混合思想應用到曲面插值上，提出了nuatb樣條曲面混合插值方法，該方法不僅給出了插值的顯格式，而且在插值曲面中可任意鑲嵌棱邊、直紋面或平面，利用混合因子，調節插值曲面與相應奇異雙線性曲面片之間的最大距離Calculation of cutter - location and error analysis in numerical control flank milling of twisted ruled surface impeller
任意扭曲直紋面葉輪數控側銑刀位計算與誤差分析Experiment of nc generative ultrasonic grinding of ceramic blade surface was carried out with the grinding spindle assembly, the experimental results show that the spindle assembly and driving control system work well
採用研製的磨輪主軸部件進行了數控展成超聲磨削陶瓷直紋面工藝試驗，試驗結果表明主軸部件及驅動控制系統運行良好。Secondly, based on cutting edge geometric model and machining mode of mk6335a grinder, the rake face with constant normal rake angle and flank face with constant orthogonal clearance angle models of ball - end cutters are discussed. the cutting geometry angle parameters are solved and analyzed. moreover, the tool paths models of wheel which grinding are builded and the post - processing technique for coordination transfer is studied
然後，基於刃口曲線模型、五軸數控磨床刃磨運動方式和微分幾何的直紋面概念，本文推導與建立了具有等法前角的前刀面和具有等主后角的后刀面的球頭立銑刀數學模型，並對球頭立銑刀的刀具角度如刃傾角、主前角、法后角、主偏角等參數進行了求解與分析。The surface of conventional engineering part is composed of simple analytical surfaces and four - boundary ruled surface primarily. therefore a point cloud segmentation method based on those feature surfaces is proposed. several algorithms to identify the simple analytical surface feature are investigated and discussed
常規工程零件的外表面中包含了大量的特徵曲面，如簡單解析曲面和四邊直紋面，因此，本文提出基於特徵曲面的的點雲分割方法，研究幾種識別簡單解析曲面的演算法；研究由點雲擬合b spline和b zier曲線的理論基礎，總結曲面擬合的幾種方法，提出一種反求定半徑滾球圓角的方法。The cutter location in nc generative ultrasonic grinding process for parallel ruled surface with cylindrical grinding wheel was analyzed, the structure of nc generative ultrasonic grinding device was introduced, the design of grinding spindle assembly and the spindle ' s driving scheme was also introduced, system hardware and software design had been finished
摘要分析了圓柱磨輪數控展成超聲磨削平行直紋面時的刀具空間位置，介紹了數控展成超聲磨削成形加工機床的總體結構，論述了磨輪主軸部件設計及主軸驅動方案，實現了主軸變頻調速控制系統軟硬體設計。Algebraic ruled surface
代數直紋曲面Conjugate ruled surface
共軛直紋曲面A ruled surface of revolution formed by an edged circle as the guide element is proposed in the category of basic geometrical bodies
摘要在基本幾何體的范疇內，提出一種以棱圓為導元素的直紋曲面。It is analyzed that the values of external excitation, the internal damping of the shaft and the depth of the crack have effects on the amplitude frequency response curves. in chapter 5, the bifurcation and chao s of a rotor system are studied. the bifurcation parameter sets of the motion equation are determined by using the theoretical method
從理論上確定了在垂直平面內振動的裂紋轉子運動方程的分叉參數集，且用數值方法驗證了理論分析的正確性，同時，還利用melnikov函數法給出了系統發生混沌運動的臨界條件，最後，利用數值方法研究了考慮渦動影響的轉子系統的動力特性。Round screw thread with clearance and flat flank with pitch 7 mm ; limiting dimensions of screw threads and allowances permissible deviations and permissible wear of screw thread gauges
螺距為7mm的帶間隙和直側面的圓螺紋.第2部分:螺紋Round screw thread with clearance and steep flank with pitch 7 mm ; nominal dimensions
螺距為7mm的帶間隙和直側面的圓螺紋.標稱尺寸Round screw thread with clearance and flat flank with pitch 7 mm ; nominal dimensions
螺距為7mm的帶間隙和直側面的圓螺紋.第1部分:公稱分享友人