a1:=hhv(h,20);y20:=ref(a1,1);b1:=hhv(h,60);y60:=ref(b1,1);c1:=hhv(h,120);y120:=ref(c1,1);d1:=hhv(h,240);y240:=ref(d1,1);T20:if(c/y20>1,1,0);T60:if(c/y60>1,2,0);T120:if(c/y120>1,3,0);T240:if(c/y240>1,4,0);起跳位置:10*c/llv(c,240)-10;