%">1&lt;=LB&lt;=RB&lt;=R,1&lt;=DB&lt;=UB&lt;=C</span></b><b><span style="line-height: 150%">，且存在一个</span></b><b><span style="line-height: 150%">i</span></b><b><span style="line-height: 150%">使得</span></b></span></div>
<div style="line-height: 150%"><span style="font-size: medium"><b><span style="line-height: 150%">LB&lt;=Xi&lt;=RB,DB&lt;=Yi&lt;=UB</span></b></span></div>
<div style="line-height: 150%"><span style="font-size: medium"><b><span style="line-height: 150%">均成立</span></b><s