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多项选择题
物流技术管理的内容包括()。
A、物流技术的开发、研制、推广和引进
B、物流设施、设备和工具管理以及安全技术管理
C、技术文件档案管理
D、技术人员的培训
E、技术情报、技术引进和技术推广的管理
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未知题型
使用[说明]中给出的词汇,将数据流图23-9中的(5)~(8)补充完整。
判断题
矩阵A=[aij]∈Rmⅹn中列向量的最大无关组的个数称为A的列秩;其行向量的最大无关组的个数称为矩阵A的行秩。
未知题型
Helen did know some things, though. Most of these she had learned from her sense of touch. She could find her way around the housE.She could recognize her family. She could play with her doll and pet the dog. She could pick flowers and help find eggs in the chickens' nests. She loved to lick the stirring spoon when a cake was madE.There was nothing wrong with her sense of taste or her sense of smell either. In fact, she loved fooD.When it came to eating, she was as healthy as anyone elsE.
Helen learned most of things from her sense of【46】. She could find her way,【47】her family, play with her doll and pet the dog, pick flowers and help find eggs in the chicken's【48】Besides, she loved to【49】the stirring spoon when a cake was madE.In fact, she was as healthy as anyone else when eating because of her interest in【50】.
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