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- 经纬仪竖直角新型检定装置A New Calibration Apparatus for Elevation Angle of Theodolite
- 竖直角测量教学中几个概念的讨论THE DISCUSSION OF SOME CONCEPTS IN THE VERTICAL ANGLE MEASUREMENT TEACHING
- 经纬仪竖直角测角标准偏差检定方法的研究Discussion on Calibration Methods for Standard Deviation of Theodolite Vertical Angle
- 竖vertical
- 直角right angle
- 竖向vertical
- 直角三角形right-angled triangle
- 竖直upend
- 竖着on end
- 直角坐标系rectangular coordinate system
- 竖笛clarinet
- 直角边right-angle side
- 竖的vertical
- 直角的right-angled
- 他竖了一根桩支撑新种的树。He put up a stake to support the newly planted tree.
- 直角坐标orthogonal coordinates
- 竖排vertical setting of types
- 竖条column bar
- 画一线与之成直角erect a perpendicular
- 钢尺用于设计并精确修整直角。The steel square is used for laying out and trying up right angles.
