2 by 2 by 2 kilometers in size 翻译成中文.

2-by-4 order by 2 desc 2(ax+by-ax)-(ax+by)^2-(by-ax)^2 其中a=-3 b=0.52(ax+by)(by-ax)-(ax+by)^2-(by-ax)^2 8-by-2by-1/4-inch是什么意思 vfp中order by 2 2(ax+by)*(by-ax)-(ax+by)²-(by-ax)²,其中a=-3,x=2分之1 (ax+by)^2+(ay-bx)^2+2(ax+by)(ay-by) by by by by by by by by by by by