1.
Research on Precision Grinding about Concave Spherical Surface of High-Alumina Ceramic;
高纯度氧化铝陶瓷凹球面精密磨削研究
2.
Linear Acoustic Analysis of Concave Sphere Dual-frequency Focused Ultrasonic Field
凹球面双频聚焦超声声场的线性声学分析
3.
Investigation of Acostic Field and Lesion in Tissue in Vitro for Dual-Frequency Focused Concave Spherical Transducer
凹球面双频聚焦超声声场特性及其对组织损伤的研究
4.
a concave lens [mirror]
凹透镜 [凹面镜]
5.
Curved like the inner surface of a sphere.
凹的象球体的内表面一样弯曲的
6.
The state of being curved like the inner surface of a sphere.
凹陷被刻成象球体内表面的样子
7.
A concave surface, structure, or line.
凹面、凹形结构、或凹线
8.
Convex on one side and concave on the other.
凸凹的一面凸一面凹的
9.
A depression similar to that in a shallow concave container for food.
凹形，凹面与浅的凹型盛食物的容器相似的凹处
10.
Preparation and Catalytic Property of Au Nanoparticle Dispersed Polymeric Microspheres with Special Morphology
负载金纳米粒子的表面凹凸型聚合物微球的制备及其催化性能
11.
A small cavity in the earth, especially one containing ore.
凹地地球的小凹穴，尤其含有矿石的凹穴
12.
biconcave:Concave on both sides or surfaces.
两面凹的:两侧或两面凹陷的。
13.
Concave on one side and convex on the other.
一面凹进一面凸起的
14.
0 - Flat;1 - Raised;2 - Inset;3 - Raised Light;4 - Inset Light
-平面；1-凸起；2-凹入；3-凸起光；4-凹入光
15.
A slight depression or indentation in a surface.
凹痕表面上轻微的下陷或凹陷
16.
An indented or concave surface or area.
凹陷，洼地凹的表面或地区
17.
"Single curved moldings include the cavetto (concave, with a quarter-circle profile), scotia (deep concave), flute (grooved),"
单曲线脚包括凹弧饰(具有四分之一圆的轮廓的凹面)、凹形边饰(深凹面)、凹槽饰(开槽的)
18.
tactile surface
有凹凸纹胶条的路面