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;
