1.
Study on the Hazard Control and Security Technology of Thick Coal Seam in Mining Boundary Coal
厚煤层边角煤开采灾害防治及安全技术研究
2.
Research and Practice of Leftover Bits and Pieces of Coal Material Recovery Technology under Complex Conditions
复杂条件下边角煤回收技术研究与实践
3.
The State shall encourage coal mining enterprises to carry out second mining or extract residual coal at the margins of mining areas and very thin coal seams.
国家鼓励煤矿企业进行复采或者开采边角残煤和极薄煤。
4.
Resolution to Corner Coal Exploitation Scheme of Aged Coal Mine
衰老矿井边角呆滞煤开采方案设计研究
5.
a three-sided regular polygon.
有三条边的等边多角形。
6.
triangular pediment
成等边三角形的三角墙
7.
The side of a triangle subtends the opposite angle.
三角形的边对着对角
8.
an equilateral triangle
等边三角形,正三角形
9.
the angle contained by two sides of a triangle
三角形两边的夹角.
10.
The hypotenuse is the longest side of a right triangle.
直角三角形的斜边是直角三角形中最长的边。
11.
You just get improvements on the margin.
你只能作点边边角角的改进。
12.
A polygon whose angles are equal.
等角多边形各角都相等的多边形
13.
The side AB is the shortest of the three sides of the triangle ABC .
边AB是三角形ABC三个边中最短的边。
14.
A polygon having five sides and five interior angles.
五边形有五条边和五个内角的多边形
15.
A polygon with ten angles and ten sides.
十边形有十个角和十条边的多边形
16.
Having equal sides and equal angles.Used of polygons.
等边等角的具有等边等角的。用于多边形
17.
A polygon with eight sides and eight angles.
八边形，八角形有八条边和八个角的多边形
18.
ratio of the opposite side to the hypotenuse.
直角三角形的一个角的对边与斜边之比。