反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中。
A molding for a cornice, having a partly concave and partly convex curve in profile, used especially in classical architecture.
可是那些在凹点的金线不太可能被带回地球，所以科学家还不能确定这在每个“夏天”都在凹点排成线而且发光的黄色灰尘的化学成分。
The 'gold' pits isn't likely to be ferried back to Earth, though - scientists remain unsure of the chemical composition of the yelllow, shimmering dust that lines the pit walls every 'summer'.
取消了旧版人民币的凹印手感线，替换为蓝色竖号码。
The tactile strip from the older design is removed and replaced by a serial number printed in blue.
岩石之间的空间，裂隙，地层线和其他可以雕刻凹使用铲子，螺丝刀或其他常用工具。
Spaces between rocks, fissures, strata lines and other recesses can be carved using trowels, screwdrivers or other common tools.
凹模型孔设计有一定圆角，凸模带有侧刃，并采用了可靠的定位等措施有效地控制了六角工件的对角线尺寸。
The diagonal dimension of the hexagon parts is controlled by reliable position setting units, small round corner for female module designing and the male module with lateral sharp edge.
在轴测投影中凹回转曲面的外形线可能存在尖点，这就使凹回转曲面的外形线变得复杂。
Sometimes the outline of a concave revoluted curved surface in axonometric projection would be complicated when there are some singular points on the outline.
曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工中的难点。
The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.
熔合线凹入处的局部条件直接影响微裂纹的形成。
The formation of these microcracks is closely related to local conditions of the Tusion line concavities.
结晶器铜管在引仲加工过程中，由于凹模中心线与机床运动方向轨迹线不同，造成加工干涉和产品缺陷。
In the course of drawing process, the process interference and defect take place because of the difference between the centerline of concave die and the trace of moving direction.
针对角膜轮廓线是凹的特点，对轮廓线重构算法做了改进，以便能构造出正确的角膜表面三角形网格。
Against the concave characteristics of corneal contour, we improve the algorithm of contour reconstruction to increase the robust of algorithm and obtain the triangle mesh of corneal surface.
曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工的难点。
Surface intersections, concaves and shallow planes of the curved surface are difficult to machine.
提出的内凹的盘铣刀铣可加工凹曲面又加工凸曲面。通过改变刀盘曲轴线与曲面的截线和刀盘半径有相同的曲率和曲率导数。
This paper presents a new method in which the disc cutter always has the same curvature and the curvature differential with that of the surfaces being machined.
同时，通过使用凹型过渡和接地共面波导过渡两种转换方式，解决了基片集成波导与微带线的过渡问题，从而解决了滤波器和有源微波电路的集成问题。
The transitions of SIW with microstrip are solved by using concave transition and grounded coplanar waveguide transition, which are convenient for filters synthesized with active microwave circuits.
本文给出了一种只用加、减运算就能求水平线与凹多边形边界交点的方法。
This paper gives an algorithm of crossings between horizontal lines and the boundaries of a concave polygon by means of mere addition and subtraction.
本文给出了一种只用加、减运算就能求水平线与凹多边形边界交点的方法。
This paper gives an algorithm of crossings between horizontal lines and the boundaries of a concave polygon by means of mere addition and subtraction.
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