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- With mining depth increasing continuously in our country,in condition of mining in the deep-lying,there are many problems in determining displacement angle of stratum at present. 随着我国煤矿开采深度的不断增加,指出了目前岩层移动角的确定存在诸多问题。
- The displacement angle of strata has a great bearing on the size of coal pillar for protection of buildings on very thick unconsolidated layers,and has a great economic potentials. 地层移动角参数对巨厚松散层矿井的建筑物保护煤柱尺寸影响很大,经济潜力十分巨大。
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- The angles of a triangle total 180. 三角形的三角之和等于180°。
- A polygon whose angles are equal. 等角多边形各角都相等的多边形
- A polygon with ten angles and ten sides. 十边形有十个角和十条边的多边形
- A four-sided plane figure with four right angles. 矩形,长方形具有四个边的方形,有四个直角
- A plane figure with four sides and four angles. 四边形有四个边和四个角的平面图形
- At right angles to a vertical line. 横的与垂直线成90度角的
- Intersecting at or forming right angles. 成直角的,垂直的交叉成直角的,或形成直角的
- displacement angles 位移角
- 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
- RESEARCH ON DISPLACEMENT ANGLE IN THE CONTROL SYSTEM OF MOTOR SOFT STARTER 电机软起动控制系统中功率因数角的研究
- He tried to attack the problem from different angles. 他试著从各个角度来著手解决这个问题。
- The dashpot displacement relaxes exponentially. 阻尼器位移按指数关系松弛。
- We approach the problem from different angles. 我们从不同角度探讨这一问题。
- Streets usually intersect at right angles. 马路通常以直角交叉。
- Displacement of an organ or other body part to an abnormal location. 异位某一器官或其它身体部位位移到不正常的位置
- This is the boat of 10, 000 tons of displacement. 这是排水量10,000吨的船。
- They probed into the subject from different angles. 我们从不同角度对这个问题进行了探讨。