水平夹角 meaning in English
horizontal sextant angle
Examples
- Spherical metal tank is measured by light tangent method , and the uncertainty of measurement results is calculated by analysing the centre distance , horizontal angle and left and right tangent distance to the top etc
环形金属罐的测量采用光切法，通过分析中心距、水平夹角、左右切点天顶距等参数，计算球形金属罐容量测量结果的不确定度。