concave

The mirror is concave.

镜子呈凹面.

To set up the evaluation base and method of medical rigid endoscope distortion, by using optical axis symmetrical spherical Z view field as the model to simulate concave characteristics of body cavity, the analysis base of endoscope object-image conjugation is established.

建立医用硬性内窥镜畸变的评定基础和方法，用视轴对称的球面Z视场为模型来模拟体腔凹面特征，以建立内窥镜物像共轭的分析基础；

Composite roller surface is longitudinal streak, concave band noise.

复合辊表面有纵向条痕 、 凹纹.

Four geometric attributes, such as chain code, convex/ concave, circular/ rectangular, and open/ closed attribute, were extracted from a scanned point set and presented to the ANN module for feature recognition.

该算法先从扫描点云中抽取四大基本几何属性：方向、凹/凸性、圆/直性、开/闭性，接着输入点的几何属性到人工神经网络（ANN）进行特征识别。

Aim To explore the relation the focal shape and the designed parameters of concave focusing transducer.

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.

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.

A concave shape micromachined variable capacitor was presented which has high Q and wide tuning ranges.

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.

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.

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.

Concave printing board comes in two types of square board and circular board, which can customize various kinds of needed typing symbols.

凹版移印板分方形板和圆形活动板两种，可定制各种所需的印刷符号。

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.

The fixed point of concave and convex operation in K space

K空间中一类凹与凸算子的不动点

The graph of a concave function is always below its tangent.

一个凹函数的图象总在它的切线的下方.

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.

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.

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.

In addition, convexes and concave wheel shaft and any loose from indentation line is not clear.

此外, 凸形轮和凹形轮的轴杆等部位若出现松动现象,也会造成压痕线不清晰.

Objectives To explore the feasibility and rationality of body temperature detecting in upper concave of clavicle.

目的探讨锁骨上窝测温的科学性与可行性.

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.

Study of overall cooling effectiveness of discrete holes with different angles to concave wall

弯曲多孔壁不同倾斜角气膜孔整体气膜冷却效率研究

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.

The working surface of the face plate is a smooth face or a convex-concave body shape with patterns.

面板的工作表面设为平滑面或凹凸形体、图案。

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.

Concave polygons have to be divided into several convex polygons, and are convex polygon clipping algorithms.

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.

The liquid used has zero-degree-static-contact angles on the semispherical container and is exposed to an initially concave interface in a zero-g environment before thrust.

所用液体与半球形箱壁之间的接触角为零并在加载前形成了失重初始凹液面。

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.

A high power continuous wave 1.34 μ m Nd ∶ GdVO 4 laser end pumped by laser diode array with plano concave resonator was reported.

报道了利用光纤耦合大功率半导体激光器（LD）抽运Nd∶GdVO4晶体，采用平凹谐振腔，输出134μm波长的高功率连续波固体激光器。

The changes of the severity of pituitary concave and sellar enlargement presented in 9 IIH patients in serial MR studies.

在复查MR中，有9例病人的垂体形态和蝶鞍扩大程度出现改变，1例空蝶鞍和蝶鞍稍扩大病人在复查MR中未见明显变化。

The deformation of the micro-holes can be obviated by arranging ribs and concave regions on the lamp-box fabric so as to keep good sound absorption performance.

利用灯箱布的凸筋和凹区保证微穿孔不受压变形，保持其良好的吸声性；

The palm of one's hand is slightly concave.

人的手掌是微凹的。