geography [URGENT!]

兩者都是告訴你那一點有幾高的, 例如在地圖上面, 就沒有甚麼分別, 一樣可以記下來交功課, 但是:
如果要答功課問題:
trigonometric station is something that can be seen on a hill. There is a post of white and black on its corresponding place in reality.

Whereas, a spot height is only a marking of height of a specific point, but there is NO mark or post on the corresponding place in reality