试题与答案

声控号码簿业务资费由月功能费、语音呼叫费用与()三部分组成。 A.系统短信费 B.点

题型:单项选择题

题目:

声控号码簿业务资费由月功能费、语音呼叫费用与()三部分组成。

A.系统短信费

B.点对点短信费

C.包月短信费

答案:

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参考答案:D解析: 产品开发战略是通过改进或改变产品或服务以增加产品销售量的战略。产品开发战略有利于企业利用现有产品的声誉和商标,吸引用户购买新产品。另外,产品开发战略是对现有产品进行改进,对现有市...

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