1.
Study on the Character of Synthetic Diamond by Belt-type Press and High-quality PcBN Compacts;
两面顶金刚石性能及高性能PcBN复合片的研究
2.
reversible crown duck hunting cap
帽顶可反转两面用薄帆布打猎帽
3.
reversible crown corduroy cap
帽顶可反转两面用灯芯绒便帽
4.
A little more off the back (sides/top).
后面(两边、头顶)请再剪一些。
5.
a gable roof with two slopes on each side.
一边有两个斜面的人字形屋顶。
6.
a roof with two or more slopes on each side of the ridge.
屋脊每边有两个或多个斜面的屋顶。
7.
a double sloping roof with a ridge and gables at each end.
上面一个屋脊、两端有山形墙的屋顶。
8.
A roof with two slopes that form a triangle at each end is called a gable roof.
有两个斜面的屋顶在两端各成一个三角形,称为山形墙屋顶。
9.
Joining two vertices of a polyhedron not in the same face.
对顶的连接多面体任意两个不在同一面上的顶点直线
10.
Study on Top-Coal Caving and Drawing Capability and Roof Control in Hard Coal and Hard Roof Short Sub-Level Caving Fully Mechanized Face
“两硬”短工作面综放开采顶煤冒放性及顶板控制技术研究
11.
Two opposite corners of this rhomb contain three obtuse angles of 101°55'.
菱面体的两个对顶包含着三个101°55'的钝角。
12.
an arch having cusps in the intrados on either side of the apex.
在顶点两侧的内弧面上仍然有尖端的拱。
13.
The surface of the front of the head from the top of the forehead to the base of the chin and from ear to ear.
脸头部前部表面，从前额顶到下巴以及两耳之间
14.
Developmental rules of the hydraulic fractured zone of working face 22101 in Huoluowan coal mine
霍洛湾煤矿22101工作面顶板两带发育规律
15.
Practice of "Two Wining and One Caving" Technique on Blasting and Top-coal Caving Working Face
“两采一放”工艺在炮采放顶煤工作面的实践
16.
A roof having two slopes on all four sides, with the lower slope almost vertical and the upper almost horizontal.
复折式屋顶四面均有两层斜坡的屋顶，下面一层近乎垂直，上面一层近乎水平
17.
A polyhedron all of whose vertices lie in one of two parallel planes.
拟柱体其所有顶点都在两个平行平面内的多面体
18.
a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid.
顶点都在一个平面或两个平行的平面上的多面体；位于那些平面上的面是旁面三角台的底部。