Protractor Edge - 量角器,角度測量工具

一個簡單的量角器，僅需要把設備放在需要測量的角上，然後移動屏幕上的兩條線來對準角的兩條邊，即可測量出角度。它與其它的量角器app不同，這是一種新鮮的測量方式，它既不需要拍照也不需要把需要測量的角放在屏幕上。快來試試吧，它非常方便會節省你很多時間。
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