Forked caudal fin A caudal fin with a deeply concave or excavated hind margin, such as in tunas.
叉型尾尾鳍有一个深深地凹曲或后缘内凹，例如鲔鱼。

Fruiting calyx slightly inflated， teeth short capsule teeth erect. Seeds with concave surfaces.
果期花萼稍膨大，齿短蒴果齿直立。种子具凹的表面。

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。

and taking the concave die core out of the ceramic product after transforming from ice into water.
当原来的冰凹陷模芯变成水后从陶瓷制品中取出。

Optimal Design of Finite Element Method for Combination Concave Die of Cool Extruding Level End Face
冷挤压平端面组合凹模有限元优化设计

A new technique in the mechanism designation of the concave circular arc translating follower disk cam
凹圆弧底直动从动件盘形凸轮机构设计新方法

A concave bend of a handrail where a sharp change in level or direction occurs, as at a stair landing.
弯子栏杆的凹弯，此处有急骤的高度或方向变化，如在。

The surfaces of the concave lens may be proportioned so as to aberrate exactly equal to the convex lens.
凹透镜的表面可以进行均匀处理，以便使像差完全与凸透镜一致。

Before making any adjustments or measurements, it is critical to ensure that the concave is not buckled.
进行调整或测量前, 必须确保凹板没有上扣。

A fin or concave face for holding is arranged at the exterior side surface of the stainless steel casing.
在不锈钢壳体外侧面设用于手持的凸棱或凹面。

Having a strongly waved margin alternately concave and convex. wavy or notched and curled very irregularly.
成波状的、有锯齿状的或非常不规则地卷曲的。

The skull concave tumor is under the curtain the tumor, is located below the cerebellum peduncle the tumor.
后颅凹肿瘤即幕下肿瘤，是位于小脑蒂以下的肿瘤。

Minimum dimension design of disc cam mechanism with upright installed concave arc bottomed translating follower
正置式凹圆弧底直动从动件盘形凸轮机构的最小尺寸设计

Observers judged the magnitude of a concave dihedral angle translating or rotating against a planar background.
观察判断的幅度凹二面角翻译或对平面旋转背景。

Objectives To explore the feasibility and rationality of body temperature detecting in upper concave of clavicle.
目得探讨锁骨上窝测温得科学性与可行性。

Application of Inside Corner Support Ridges and Concave Groove Ridges in Modern Chinese Imitation Antique Buildings
在现代中式仿古建筑中阴角戗与阴沟脊的妙用

Fuzzy Prediction Study on Lifting and Throwing Soil Capacity of Reverse Rotational Rotor With Concave Surface Blade
凹形铲刀逆转刀辊升抛土能力的模糊预测研究

Gear Shaper Cutters Rake Face for the concave conical surface, so the formation of the lateral edge of anterior horn.
插齿刀前刀面的凹锥面，所以对前角外侧边缘形成。

Study on Material Determination of Silicon Steel Sheet Cool Punching Concave Die and Compound Intensifying Processing
硅钢片冷冲凹模的选材与复合强化处理研究

The processing method and requirement of correcting concave Cu electrode for fixed die cavity was introduced in detail.
详细介绍了定型型腔修正铜公的加工方法及要求。

Use as balcony metope adornment can choose dawdle stone, it is concave and convex and apparent, more adjacent and natural.
用作阳台墙面装饰可选用蘑菇石, 它凹凸明显, 更接近天然。

The lower end surfaces of the supporting parts are provided with a plurality of hollow grooves which are arranged in a concave way.
该支撑部的下部端面上设有若干凹设的透空槽。

The axial lower section of the hemisphere case is equipped with the absorption cavity which connects with the segmental concave cavity.
半球壳体轴向下部设有连通圆缺凹腔的吸收腔。

At least one loop of absorption blind hole is evenly distributed around the segmental concave cavity along the radial direction of plane.
径向面上沿圆缺凹腔周围均匀分布不少于一圈的吸收盲孔

And it introduced the relation gear tooth concave hole parameter and hob used of tooth cut and rub tooth surplus and match gear geometry parameter.
介绍了齿轮齿根凹圆坑参数与所用滚刀的关系。