angle of depression
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
angle of depression (the angle between the line of sight and the horizontal plane when looking downward)
Technical term used in geometry, trigonometry, surveying, and physics. It is measured from the horizontal downward to the line of sight.
Zài在
cè测
liáng量
xué学
zhōng中
，
fǔ俯
jiǎo角
hé和
yǎng仰
jiǎo角
shì是
liǎng两
gè个
jī基
běn本
gài概
niàn念
。
In surveying, the angle of depression and the angle of elevation are two basic concepts.
Cóng从
shān山
dǐng顶
wǎng往
xià下
kàn看
，
fǔ俯
jiǎo角
wéi为
sān三
shí十
dù度
。
Looking down from the mountaintop, the angle of depression is thirty degrees.
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Fǔ俯
jiǎo角
yuè越
dà大
，
shuō说
míng明
mù目
biāo标
wèi位
zhì置
yuè越
dī低
。
The larger the angle of depression, the lower the position of the target.