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1·DIHEDRAL, the Angle between the wing reference plane and water line.

上反角，机翼基准面与水线之间的夹角。

2·The first task was to remove the old piton in the dihedral, essentially a piece of trash.

第一个目标就是清除在岩角上的旧岩钉，那已经是个垃圾了。

3·Meantime, the mathematical model of the groove Angle and the local dihedral is also deduced.

并且推导了局部两面角和坡口角数学模型。

4·As the chromophore relaxes, the twist of the C15 methine bridge about its two dihedral angles is reversed.

当发光基团松弛，C15次甲基桥的两个二面角的扭曲是相反的。

5·The problem is discussed, that seeks the size of the dihedral Angle by seeking to do the edge of the dihedral Angle.

讨论了通过求作二面角的棱来求二面角的大小问题。

6·There are many helixes of dihedral Angle, and the whole skeleton forms a large helix in the structure of the rotatory isomer.

其结构中包含许多二面角螺旋，而且具有旋光性的异构体，其结构的整体骨架也构成一个大的螺旋。

7·The dihedral corner reflector with wing and fuselage joint of aircraft is a very strong electromagnetic source in a wide angular range.

飞行器翼身接合部构成的二面角反射器是很强的电磁散射源。

8·The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;

通过衍射图可以看出出射光束的发散程度随着角度误差的增加而增加，直至完全分离成六束光束。

9·In the form of propositions, this paper discusses several solution methods of the size of dihedral angles and proof and example are also offered.

本文以命题形式讨论无棱二面角的平面角大小的几种解法并加以证明和举例。

10·The dihedral wood that forms the access is positioned as the main focus where the access gallery is the only element that emerges from the plane.

角形树木形成通道，定位成主要焦点，在这里，廊道是唯一浮现于平面的元素。

二面角

1·There are many helixes of dihedral Angle, and the whole skeleton forms a large helix in the structure of the rotatory isomer.

其结构中包含许多二面角螺旋，而且具有旋光性的异构体，其结构的整体骨架也构成一个大的螺旋。

2·In this paper, some relations of the invariants concerning the simplex and its tangent point simplex, are given and then, an inequality for the dihedral angles of a simplex is also presented.

本文首先给出单形的不变量和它的切点单形的不变量之间的若干关系式，然后再给出一个关于单形二面角的不等式。

3·Through the analysis of EIA, a modified computational method is given, which can analyze a dihedral corner reflector with arbitrary shape of planes and with shadow objects.

通过对等效照明面积的分析，给出了能计算任意平面形状、有遮挡效应的二面角反射器后向雷达散射截面的工程方法。

4·In terms of FFDP and velocity aberration compensation theory, a new method of using dihedral Angle offset for compensating velocity aberration in large observation range is put forward.

根据远场衍射模式和速差补偿理论，提出了一种在较大观测范围内二面角速差补偿方法。

5·The dihedral corner reflector with wing and fuselage joint of aircraft is a very strong electromagnetic source in a wide angular range.

飞行器翼身接合部构成的二面角反射器是很强的电磁散射源。

(1)dihedral angle[数]双面角；[航空]反角