Also the method of descent should be clearly stated where lower-offs are not provided.
同时，对下降方式的说明中须著明何处未设下降点。
By steepest descent rule, a new method of selecting cutting plane equation has been given.
用最速下降规则，给出了选择割平面的一个新方法。
By steepest descent rule, a new method of selecting cutting plane equation has been given.
用最速下降规则，给出了选择割平面的一个新方法。
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