题目内容
解决并发操作带来的数据不一致性总是普遍采用封锁。【 】
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E-business can reduce costs of production by not having ___1______ and reducing ___2____ costs.It opens the opportunity to access new markets ______3__________ and target market segments more effectively. It also improves customer service ___4_______ and employee ____5___ through flexible working methods.
价值规律的表现形式是：
资本主义所有制的本质特征是:
不变资本与可变资本的划分标准是：
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