concave convex 中文意思是什麼
concave convex
解釋
凹凸的-
Our " standard " product line includes cylindrical lenses, lenses, plano - convex cylindrical lenses, plano - concave cylindrical lenses, spherical lenses, aspherical lenses, prism, filter, window, achromatic lenses and reflector etc
我們的生產包括:柱面鏡球面鏡非球面鏡棱鏡平鏡膠合鏡透鏡反射鏡濾光片偏光鏡等。 -
Alternative characterization of concave and convex functions which is sometimes useful.
對于凹函數和凸函數還有一個替補的表徵，有時它是有用的。 -
Located along the northern silk route between central asia and metropolitan china proper, and serving as a meeting ground of " western regions " ( xiyu ) and indigenous cultural influences, dunhuang provides a continuous record of datable monuments, from the fifth century onward, showing the importation of the indian chiaroscuro style, known in chinese as aotu hua, " concave - and - convex painting, " and its eventual transformation into the indigenous chinese pictorial idiom
摘要作為絲綢之路上一個西域和本土文化的匯合地點，敦煌藝術提供了5世紀以來西域「明暗法」風格即文獻上所謂「凹凸畫」以及這種畫法最後變成中國本土繪畫筆墨風格的一個可確定時代的連續記錄。 -
This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。 -
In adults its contour may be straight, slightly concave or slightly convex.
成人肺其形狀可以是直的，輕微凹下或輕度突出。 -
Just as a double convex lens enlarges, so a double concave lens reduces
正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。 -
We fabricated a large computer - generated holography on a concave lens surface to test the convex secondary mirrors surface
在凹透鏡表面上製作出了用於凸非球面檢測的曲面全息圖。 -
Unlike concave mirrors, the convex kind produces right - side - up virtual images, smaller than the original object, which cannot be projected onto a canvas
與凹面鏡相反，凸面鏡呈現的虛像不會顛倒，影像比原來的物體要小，且無法投射到畫布上。 -
Jointing products. mastics for bonding of convex or concave tiles. specifications
填接縫用品.凸凹磁磚粘接膠合.規范 -
Hockney surmises, however, that this convex mirror could be turned around and used as a concave projection mirror : “ if you were to reverse the silvering, and then turn it round, this would be all the optical equipment you would need for the meticulous and natural - looking detail in the picture
但霍克尼的猜測是，把這個凸面鏡前後反轉過來，便能當成可投射的凹面鏡來用：如果你把銀塗在凸面鏡的反面，並將它反轉過來，就變成能做出精細自然畫面的道具了。 -
This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover
其次，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等，並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬，用模擬結果優化拉延工藝方案，比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策，重點介紹工藝補充面和壓料面的設計及優化方法，因為拉延是沖壓工藝的關鍵工序，而工藝補充面和壓料面的設計是拉延工序的關鍵，對消除缺陷至關重要。 -
This machine is a kind of special equipment used for thermo - printing and creasing various products, such as cardboard, leather and plastic etc. it is suitable for thermo - printing various paper products with electrochemical aluminum and also used as a creasing and cutting machine for mould cutting and creasing cardboard cases and boxes. concave - convex thermo - printing of various high - grade and fine printed products can also be conducted on this machine for obtaining stereoscopic exquisite and beautiful packing and decorating products. the machine is controlled
本機是燙壓各種紙板皮革塑料等製品的專用設備。適用於電化鋁燙印到各種紙張上，又可模切壓痕各種紙箱紙盒。各種高級精細的印刷品均可在本機上進行燙印，以獲得富有立體感，精緻美觀的包裝，裝潢製品。 -
So - called " increases the oxygen beautiful white skin " is forces the flesh circulation metabolism, every day piles up the human body the pressure creates the toxin and matter causes hormone is out of balance and the disorder mood, afresh conformity eliminate, borrows by ionization principle lead it out, gives the flesh sufficiently contains the oxygen space and balance method the human body, recuperate the qi and blood, the blood vessel gives to reply, returns to original state for is beautiful, moving, the kind charitable cheek concave - convex exquisite body
所謂的「增氧玉膚」即是強迫肌膚循環代謝，將人體每日堆積之壓力所造成之毒素、物引起之荷爾蒙失調及紊亂情緒，重新整合徹底排除，藉由離子化原理將其一一引導出來，給予肌膚充足含氧空間及人體之平衡方法，促全身疏筋活絡、氣脈通暢、活血化瘀、細胞扭曲之筋脈、血管予以回復，還原為美麗、動人、親切慈善之臉蛋凹凸玲瓏纖體。 -
Be prining word, date, trademark, patterm on the various posilion and concave convex suface of different material products of the various metals, plastics, glasspottery and porcelain, and used for printing marks on sufaces of foodstuff, drind, chemical industry articles of everyday, medicament, smallcommodities
油墨印碼機、移印機可在各種金屬、塑料、玻璃、陶瓷等不同材質製品的任意部位及凹凸面上印刷文字、日期、商標、圖案、適用於食品、飲料、日用品、化工、藥物小商品等產品上的各種標志列印。 -
After analyzing and studying the characteristics of the sequence generation of grey system theory, this paper proposes the concept of three - dimensional data sequence, extends the grey system theory from one - dimensional data sequence to three - dimensional data sequence and enlarges the application range of the theory in engineering. this paper also proposes a decomposition coefficient selection method and a partial concave - convex characteristic decision method to the preference generation, which can solve the problem that the internal point generated by the original method was inconsistent with the actual system. considering the errors existed in ends generation with step ratio and smooth ratio methods, the author proposes a tendency average generation and improves the quality of the generation greatly
灰色建模與逆向工程兩者有其十分相似的內在關系，本文通過學科交叉，深入研究兩種不同學科理論，在繼承灰色系統理論這一我國原創性理論思想的基礎上，補充和豐富了新的內涵並將其滲透到逆向工程中的數據測量與數據處理技術的應用之中，使機械工程中甚少應用的這一灰色系統理論得到了進一步的拓展，主要成果如下: 1 .分析研究了灰色系統理論中序列生成的特點，提出了三維數據序列的概念，將灰理論的一維數據序列拓展到三維數據序列，拓寬了灰理論在工程中的應用范圍;提出了有偏生成演算法中生成系數分解選取方法和數據序列點局部凹凸特性決定生成系數的方法，解決了原有方法生成內點與實際系統不一致的現象;針對級比和光滑比用於生成端點有較大誤差的情況，提出了趨勢均值生成演算法，大大提高了端點生成的精度。 -
In major industries, concave - convex structure has greatest impact on metallurgical manufacturing
凹凸結構對大產業影響最大的莫過于冶金製造業。 -
In summary, the concave - convex structure is a most basic original technological innovation
綜上所述，凹凸結構是一項最基礎的自主原始創新技術。 -
7. technology of double self - standing ouch, double concave - convex buckle device is in the lead at home, which can truly make pouch by one machine with multiple functions
7雙自立袋，雙凹凸扣裝置技術屬國內領先水平，真正實現了一機多功能制袋。 -
It is not different to see that the applications of concave - convex structure in the multi - industries, multi - fields, which will advance the product ' s performance and economic value, improve production mode, reduce energy consumption, enormously enhance our competitiveness of multi - industries, multi - fields and multi - product
以上不難看出，凹凸結構在多行業、領域眾多產品品種的應用，會大幅度提高產品的性能與經濟價值，改進其生產方式，降低能耗，會大大增強我國多行業、多領域、多產品的竟爭力。 -
In chapter 3, existence of quasi - convex, quasi - concave, convex and concave solutions of a linear iterative functional equation are studied
第三章研究了線性型迭代方程的擬凸解、擬凹解、凸解及凹解的存在性。
分享友人