z 轴
-
[坐标系]
球面坐标系中平行于地球旋转的垂直线，穿过北纬 90 度，垂直于赤道平面，与 x 轴和 y 轴交叉于原点处（0,0,0）。
浏览字典
You can also download the app to access the chatbot anytime! Download it now.