本帖最后由 kong12 于 2009-9-9 22:06 编辑 ' @2 e# j: H& n/ H- c8 q# P
; ]* x: R1 U7 ~太平洋战争二维坐标系详解
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. H; D V7 W: v Q) z例如:
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5 l* f1 Y! }6 L+ g: k我们用x,y,分别代表这两个坐标。 x=55 y=67
1 e# W# a; X! b0 R6 j那么,x就是指向正右的,y是指向正下。大地图最左上角是零点。 " W2 b2 V) I; n2 i
, S: z3 k/ n J" o, o值得注意的是,我们这里的坐标不是象大家所想的那样,它不同于常用的平面直角坐标系。
6 ?7 c7 b& p4 N如图所示: $ b2 j# i3 E6 @+ W, z
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