凹形

Red blood cells (also called erythrocytes or red corpuscles; corpuscle is an older term meaning any blood cell) are flat, biconcave discs lacking a nucleus.

红细胞（ corpuscle 是用于称呼任何血细胞的一个较陈旧的术语）为平而双凹形的圆盘状，无核。

Castanet:a rhythm instrument consisting of a pair of slightly concave shells of ivory or hardwood, held in the palm of the hand by a connecting cord over the thumb and clapped together with the fingers .

响板：一对由象牙或硬木制成的有轻微凹形的板子组成的一种节奏乐器，通过一段连在拇指上并和其余手指结合的线绳握在手掌中。

Pursue for example 1 is shown, one contains the substance of chamfer of smooth semicircle sunken form

例如图1所示，一个含有光滑半圆凹形槽的物

Compared with prior art, the method of the invention carries out the cineration process under low temperature, so concave defects on the metal interconnection lines near the through hole during the cineration process under high temperature can be avoided, thus improving finished product rate.

与现有技术相比，本发明的制造方法通过在低温条件下进行灰化步骤，避免了因高温条件的灰化步骤造成通孔附近的金属互连线出现凹形缺陷的现象，从而提高产品的成品率。

In this paper,hydraulics principle and empirical formula are used in hydraulic calculation of flow in different forms of side ditches and water drainage capability of open water outlet in continuous gradient and concave vertical curve bottom.

利用水力学原理和经验公式，对不同形式的边沟流量和开口式排水口在连续坡度上及凹形竖曲线底部的排水能力进行了水力计算，并采用修正法计算了不同形式的边沟水流量。

It is found that the portion of edge areas of cuboidal γ'precipitates grew preferentially and the γ-γ'interfaces progressed concavely,which was followed by the enclosure of the adjacent vertical matrix channels (parallel to [001]), and the linked γ'precipitates gradually exhauseted the retained vertical channels and finally developed into rafted plates.

发现在定向粗化期间立方形γ＇沉淀的边缘部分优先生长，γ—γ＇界面呈内凹形方式推进，进而封闭了与之相邻的垂直基体通道（平行于［001］）；相互连接的γ＇沉淀逐渐消耗并最终耗尽被封闭的残余垂直通道而发展成完整的筏形组织。

Applicability: for different specifications of the main device labels: well-known brands use imported components, the unique advantages of stable and reliable: one can be affixed to many standard (up to 20) can be affixed to many objects, and pasted after automatic cartoning, be affixed to objects shape: round, cylindrical, oval, square, triangle, flat, convex, concave, polygonal, and back on three sides, such as the Customer Service ......

适用性：用于不同规格的标贴物主要器件：用进口知名品牌器件，稳定可靠独特优势：一次可贴多标（最多可20个）多物可同时贴，贴完后可自动装盒，被贴物形状：圆形、圆柱形、椭圆形、方形、三角形、平面、凸形、凹形、多角形、正反面、三面等

The towering ridge of a sand dune in the Arabian Desert points to the afternoon sun.

这处阿曼新月形砂脊的沙丘是因强烈的信风形成的，迎风面形成平缓的斜坡，而在背风侧形成凹形的滑面。

One of the wire-wound plates is a wooden carving with concave on both surfaces and has designs like water-lilies on surface.

一只木雕双凹形绕线板，雕有荷花等花纹；一只为竹制大元宝形绕线板，纳布鞋底时用来绕棉麻线。

The degree of a transition curve ….When placed between two circular curves,…..

第一条标准是唯一的与凸形竖曲线有关的，其他四个标准都是与凹形曲线联系的。

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。