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- trirectangular trihedral 直角三面形
- The method of reconstructing a trirectangular tetrahedron from a stereo projection made up of two complete quadrangles is put forward. 研究了体视投影的复原问题，提出了根据两个完全四点形为体视投影恢复三直角四面体的方法。
- Stress shielding effect of the trihedral fix trough plate,trapezoid compression plate and Tianjin compression plate on the long bone measured with the electrical measuring method. 用电测法测量了三种股骨中段骨折内固定钢板（三面固定槽形板、梯形板、天津板）固定后对骨的应力遮挡效应。
- The problem of reconstruction of a stereo projection is studied. The method of reconstructing a trirectangular tetrahedron from a stereo projection made up of two complete quadrangles is put forward. 研究了体视投影的复原问题，提出了根据两个完全四点形为体视投影恢复三直角四面体的方法。
- Terrain effect of 1: 50000 gravity prospecting result in mountainous region is removed by respectively using slope-top trihedral prism model and rectangular prism model in near, mid and far areas. 分别用斜顶三棱柱体及方柱体模型分近、中、远区对某山区1：5万高精度重力勘探成果进行地形改正。用常规方法对地改后的布格重力异常进行处理效果不佳。
- Further，it blends the given convex trihedral angle by algebraic splines and then proves that the blending surfaces obtained by the method have the property of convex preservation. 以凸三面角为例，提出了利用代数样条磨光的方法并证明了利用这种磨光方法得到的磨光曲面具有保凸性。
- trirectangular spherical triangle 三直角球面三角形
- trirectangular sphericaltriangle 三直角球面三角形
- trihedral tool-maker rs straight edge 三棱直尺
- trihedral (tetrahedral) tool-maker's straight edge 三棱直尺
- trihedral tetrahedral tool-maker rs straight edge 三棱直尺
- triangular trihedral corner reflector 三角形三面角反射器
- Graphical Multiscattering Computing for Trihedral Corner Reflector 三面角反射器多次散射图形电磁计算
- One interesting character of trihedral angle in tetrahedroid 四面体中三面角的一个有趣性质
- trihedral With three surfaces, e.g. body of Lactophrys. 有三面的有三个表面，例如棱箱鲀的身体。
- trihedral ( tetrahedral ) tool-maker rs straight edge 三棱直尺
- Effect of Beam Incident Angles on Trihedral Corner Reflector Laser Ranging 光束入射角对角锥合作目标激光测距的影响
- Calculating the Degree of Dihedral Angel by the Formula of Trihedral Angel 用三面角公式求二面角的度数
- A THEORETICAL MODEL OF NEAR-FIELD EM SCATTERING OF SQUARE TRIHEDRAL ANGLE REFLECTOR 正方形三面角反射器近场电磁散射理论模型
- Measuring the Rotating Light Angel of Chiral Material with Weak Rotation by Trihedral Reflector 三腔镜法测量弱旋光手性材料的旋光角
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
