凹形

Fabricated by Yellow Owl Workshop, a cottage paper-goods company and studio run by artist Christine Schmidt in San Francisco, the LCD Card features digital-style debossed fronts to customize your message in the two rows of eight grooved squares with a regular marker, while the raised sections directs the users to move the marker in a precise manner.

这款由民间纸工艺品公司Yellow Owl Workshop和画家Christine Schmidt 携其工作室共同开发的液晶贺卡表面采用数字化风格，将你想表达的信息嵌入两排八块凹形带规则图案的方块中，同时突起部分的图案可以做调整。

All Slides have: Lamina Wear Plates, Hardened Gibs, Hardened Heel Blocks, and Slide Retainers.

所有滑块要有：薄板，加强的凹形楔，加强垫块，以及滑块回复系统。

PART 3 : SPECIFICATION FOR SILVER-PLATED TABLE AND DECORATIVE HOLLOWARE.

NF D29-011-3-1998 与餐具有关的材料和物件。刀具和餐桌用凹形餐具。

One is a male rotor of three or four lobes and the other is a female rotor of five lobes.

一是一个3 或者4 个耳垂的男性转子，另一个是一个凹形转子 5 个耳垂。

Today's wiped intended as a concave mold, used to suppress the molding clay reliefs.

如今的擦擦意为一种凹形模具，用来压制出成型的泥塑浮雕。

The invention comprises a free-form surface prism with three optical surfaces, and a micro-image display; the free-form surface prism is made of plastic glass materials with the refractive index greater than 1; the three free-form optical surfaces are concave surfaces, which meet one of the three surface-type equations, and the location relationship of each surface meets three condition equations; the incident angle formed between the widest-field upper edge rays emitted by an LCD and the second free-form surface meets the total reflection conditions; and an image source element is an LCD of 0.61 or 0.59 inches.

本发明包含一个具有三个光学表面的自由曲面棱镜和一个微型图像显示器，自由曲面棱镜采用折射率大于1的塑料玻璃材料，自由曲面棱镜的三个自由曲面光学表面均为凹形面，它们应满足三个面型方程之一，并且各表面的位置关系应满足三个条件方程，由LCD发出的最大视场上边缘光线在第二自由曲面上的入射角应满足全反射条件，像源元件为0.61或0.59英寸的LCD。

Important faults : Hollow or humped back.

严重缺点：凹形或者有肉隆起的背部。

Cavities are specific electromagnetic structures, and their scatterings are different from convex objects.

凹形腔体是一类特殊的电磁散射结构，其电磁散射特性不同于一般的凸面体。

While we were working on the weapons, one soldier complained about the unusual notched shape of the M-16's b

我们一块擦枪，一名战士抱怨由于M-16的枪栓枪膛的特别凹形结构，擦起来十分困难。

While we were working on the weapons, one soldier complained about the unusual notched shape of the M-16's bolt and chamber, which makes it difficult to clean.

我们一块擦枪，一名战士抱怨由于M-16的枪栓枪膛的特别凹形结构，擦起来十分困难。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。