1,the development of insufficient funds. yunnan's tour**m resources development,funding instability.the development of tour**m resources in itself of a long construction cycle,funds large consumption ...
a1:=ref(close,5)>ref(close,4);a2:=ref(close,4)>ref(close,3);a3:=ref(close,3)>ref(close,2);a4:=ref(close,2)>ref(close,1);a5:=close>ref(high,1) and v>ref(v,1);ret:=a1 and a2 and a3 and...