vertical angles

基本解釋

A surveying instrument similar to a theodolite that measures horizontal and vertical angles.
中星儀一種類似于測量水平或垂直角度的測偉儀的測量器具
An instrument for measuring horizontal and vertical angles,consisting of a small tripod-mounted telescope.
由固定的三角架望遠(yuǎn)鏡組成的用來測量水平和垂直角的裝置。
Yes. Let's look at this transit. It contains a telescope, a compass, and a protractor, and it's used to measure horizontal and vertical angles.
好的讓我們來看看這個中星儀，它包括一個望遠(yuǎn)鏡。一個指南針，一個測角器，它用來測量水平和垂直的角。
At right angles to a vertical line.
橫的與垂直線成90度角的
When people's attention to the geocentric and the vertical angle of 115 degrees around, most people on the neck muscles relax.
當(dāng)人的視線與向地心垂線的夾角為115度角左右時，人的頸部肌肉最放松。

the pair of equal angles between a pair of intersecting lines opposite angles (Also called vertically opposite angles)