- 速记技巧
词源词根法
con-,强调。-cave,洞穴。洞穴状的,凹进去的。con-加强意义+cave洞=【同源词】cave,cavern,cavity,excavate
- 近义词
- 反义词
- 知识拓展
词组短语
concave mirror n.凹透镜;concave surface凹面,内弧面
- 双语例句 更多例句
Alternative characterization of concave and convex functions which is sometimes useful.
对于凹函数和凸函数还有一个替补的表征,有时它是有用的.
词典精选例句
Stretch manner has different influences on concave boundary and convex boundary of model.
伸展方式对于凹形边界和凸形边界具有不同的影响.
网络文摘精选
提出了一种高Q值、宽调节范围的凹型结构微机械可变电容.
网络文摘精选
Having greater curvature on the concave side than on the convex side . Used of a lens.
凹凸的凹面曲率大于凸面曲率的.
网络文摘精选
解决了大多数算法将凹多边形裁剪分解为凸多边形处理存在计算时间长、难度大等问题.
网络文摘精选
The next wave would lift those objects up to its steep concave slope.
跟着涌来的浪头又把这些物品举到了那高高的浪峰上.
词典精选例句
The hood and front mask theme is characterised by offset surfaces and concave and convex volumes.
引擎盖和前脸主题以偏移曲面和凹凸雕琢效果为特征.
网络文摘精选
The designs of conical annular structure and concave spherical structure are first pioneered. 2.
其中锥环形和凹球形结构设计属于首次研究.
网络文摘精选
Dial: Black or white Museum dial. Silvertone dauphine hands and concave dot at 12 o'clock.
表盘: 黑色或白色博物馆珍藏型表盘,银色皇太子指针,12时位置为经典的“太阳”凹点设计.
网络文摘精选
The first part is the cavity, which gives a concave part its external shape.
第一部分是腔,从外形上看, 它提供了一个凹的形状.
网络文摘精选
目的揭示凹球壳形聚焦换能器焦域形态及其设计参数之间的关系.
网络文摘精选
Therefore, although the font is small, but very deep concave, but very clear.
所以字体虽然小, 但是凹得很深, 而且非常清晰.
网络文摘精选
The room had white concave walls, and Kurt's eyes had a hard time focusing.
房间的白色墙壁是向里凹进去的, 库尔特的眼睛一时间难以聚焦.
网络文摘精选
The concave grating on the film of PPTA is prepared by the double beam interference illumination.
利用PPTA薄膜在紫外光照下可硬化的特点,在薄膜上制备光栅进行研究并通过双光束干涉曝光法,制备了凹面光栅.
网络文摘精选
- 相关词组
- concave bottom凹板分组,凹底;
- concave weld凹焊缝;凹面焊;凹形焊缝;轻型焊;
- concave bit凹形凿,凹形钻头;
- concave plane凹底刨,凹平面;
- concave grating凹光栅;
- concave curve凹曲线;
- concave surface(叶片)凹面;
- concave saw凹面锯,蝶式圆锯;
- concave cutter凹半圆成形铣刀,凹半圆刃铣刀;
- concave edge(轧件的)凹边,凹面;
- concave lens凹透镜;负透镜;
- concave tile凹瓦;
- concave mirrorn.凹透镜;凹镜;
- concave joint凹(圆接)缝;
- concave slope凹坡;下凹形坡;
- concave curvature凹曲度;
- concave convex凹凸;
- concave polygonn.凹多边形;
- concave bank凹岸,冲刷河岸;
- 今日热词
- 热门搜索
- use n.(使)用;用法;用途,功能;使用权;使用价值;
- christian dior 香水;化妆品;克里斯汀迪奥;克丽丝汀.迪奥;巴黎时装周
- trolley-bus 无轨电车;
- meanwhile adv.同时;在此期间;与之相比;
- wood n.木材,木头;树林;
- entertainment weekly n.娱乐周刊;每周娱乐;娱乐周报;
- enlarge vt.& vi.扩大,放大;扩展,扩充;拉长说,详述;
- cater v.满足…的需要;接待;考虑到;提供饮食;承办酒席;
- sure adj.肯定的,有把握的;一定的,无疑的;可靠的;沉着自信的;adv.(表示同意)当然;(加强语气)确实;(回答他人的感谢)不客气;
- three num.三;三个;第三(章,页等);n.三个(人或物);第三(课、章、行等) ;三岁;表示三的符号(3, iii, III);<英橄> 中卫;三个(人或物)一组;3字型
- resistance n.抵抗;阻力;抗力;电阻;
- many adj.许多,多的;pron.(与复数动词连用)大多数人;

