spindle angle的用法和樣例：
例句
- The biggest problem is calculating the seabed slope angle of the unknown seabed.
而對未知海底的傾斜角求解問(wèn)題是解決波束角效應的難點(diǎn)之一。 - A surveying instrument consisting of a spirit level and a sighting tube,used to measure the angle of inclination of a line from the observer to the target.
由一個(gè)水平儀和一個(gè)觀(guān)測管組成的測量工具，用來(lái)測量從觀(guān)測者到目標的直線(xiàn)的傾斜角。
