国产精品一二三区在线观看 - 人人玩人人干

^{<samp id="rlchm"></samp>}

grad

梯度（Gradians）。一個圓共400梯度

90deg = 100grad = 0.25turn ≈ 1.570796326794897rad

IE	Firefox	Chrome	Safari	Opera	iOS Safari	Android Browser	Android Chrome
6.0-8.0	2.0+	4.0+	3.1+	3.5+	3.2+	2.1+	18.0+
9.0+	2.0+	4.0+	3.1+	3.5+	3.2+	2.1+	18.0+

<table id="kjfkz"><strike id="kjfkz"></strike></table>