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()指向旅行社批发商及各有关旅游企业购买产品,出售给旅游者的商业组织或个人。
在分级沉淀实验中,同种酶的纯酶溶液和粗酶溶液的分级范围相同。
物流业务流程再造与()互为条件。
根据旅行社责任保险统保的规定,有出境游经营资格的旅行社,每次事故每人财产损失责任限额为人民币( )万元,该责任限额单独计算,不包含在每次事故每人责任的限额内。
一致序列
高空作业的监护有哪些要求?
若,且a+b=3,则的最小值为().
孙女士,患急性白血病,牙龈和口腔黏膜有瘀点,为该病人做口腔护理时不妥的是()。
信息的社会流通方式分为哪几种?
风湿热最常见的皮肤损害是( )。
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