出现()解情况说明线性规划存在有矛盾的约束条件。
参考答案:无可行解
选择句子补全对话。
A: I have a new T-shirt.
B: Really?
A: Yes.
B: 1_____
A: It's blue.
B: Let's go and have a look.
A: 2_____
B: Wow. 3_____
A. What colour is it?
B. Great.
C. It's pretty.
()是大堂经理的资源管理及指导职责之一。