在轴测投影中凹回转曲面的外形线可能存在尖点,这就使凹回转曲面的外形线变得复杂。
Sometimes the outline of a concave revoluted curved surface in axonometric projection would be complicated when there are some singular points on the outline.
这个原型的轻型骨架是由金属杆与金属线组成的,由汽动装置控制,用它来作建筑物的墙壁,调整骨架布置就可以改变建筑物外形。
Lightweight skeletal frameworks, composed of rods and wires and controlled by pneumatic "muscles", serve as the walls of a building; adjusting their configuration changes the building's shape.
老饕或音响爱好者可能会认为K340更拉风一点,因为他有银黑色的外形与可调节音量的线控。
Experienced reviewers and audio aficionados will recognize that K340 is slightly more classy, with its stylish, black appearance and inline volume control.
按点-线-面的层次数据结构,选取几种有代表性的曲线曲面,实现了三维复杂外形的表面描述。
Based on a point line patch hierarchical data structure, three dimensional complex geometries are described by several typical kinds of surface patches.
等值线的外形和岩性吻合的很好。
There is a close correlation between contour lines and lithology .
本文通过对离心铸管机机液倾翻机构的分析,推导了等速板的型线方程,计算拟合了等速板的外形。
In this article, the dumping machine for centrifugal casting iron pipes was analyzed, the profile equation of constant velocity board was deduced, and the shape of the board was thus computed out.
单谱线多元件透镜可以有不同的外形和材料,有玻璃的,二氧化硅的,蓝宝石的和钙氟化合物的。
Singlet and multielement lenses are available in a wide variety of configurations and materials, including glass, fused silica, sapphire, and calcium fluoride.
介绍了一种基于结构光条法原理,运用CCD摄像机、线激光光源和计算机图像采集系统与软件等,研制出机车车辆轮对外形磨耗自动检测系统。
The system is on the basis of principle of the structural light strip method, with the application of CCD pickup camera, linear laser light source, the computer image collecting and the software, etc.
等值线的外形和岩性吻合的很好。
There is a close correlation between contour lines and lithology.
用于灼伤或手术移除肿瘤后的外形损伤治疗,或重建性手术,可包括隐藏皮肤褶皱里的切口,或使用隐秘的缝合线来缝合伤口。
It is utilized after disfigurement by burns or tumour removal or for reconstructive work, and it may involve hiding incisions in skin folds or using buried sutures to hold wounds closed.
基于流线型的列车头部外形由三维空间自由曲面构成,提出采用NURBS曲线设计外形型线和用三维nurbs曲面描述复杂三维曲面的车头外形设计方法。
The shape of streamlined train head is made of the 3-dimensional space free form surface, whose shape outline curve USES NURBS curve and complex shape surface USES 3-d NURBS surface.
应用组合接头和专用配件构成,可组装成各式的流水线、生产线、工作台、周转车、仓储货架等外形结构。
Through connection parts and special accessory parts, which are widely use in Assembly Line, Production Line, Working Bench, Tote Cart, Warehouse Storage rack etc...
简洁时尚的外形“阳光快线”系列产品外形时尚简洁。线条自由奔放,色彩明亮清晰,充满时尚激情。
The simple and fashion appearance: SUNSPEEDLINE series has simple and fashion appearance, free and bold line bright and clear color, which is full of fashion and passion.
简洁时尚的外形“阳光快线”系列产品外形时尚简洁。线条自由奔放,色彩明亮清晰,充满时尚激情。
The simple and fashion appearance: SUNSPEEDLINE series has simple and fashion appearance, free and bold line bright and clear color, which is full of fashion and passion.
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