(16)是关于质量管理体系的一系列标准，有助于企业交付符合用户质量要求的产品。商业秘密是我国(17)保护的一项重要内容，它包括技术秘密和经营秘密两项基本内容。某程序员利用他人已有的财务管理信息系统软件中所用的处理过程和运算方法，为某企业开发出财务管理软件，则该程序员(18)。

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In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

 To a router, a flow is a(71)of packets that share the same characterstics, such as traveling the same(72), using the same(73), having the same kind of security, and so on. A router that supports the handling of flow labels has a(74)table. The table has an entry for each Active flow label; each entry defines the(75)required by the corresponding flow label.

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In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

 In low - speed network, it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high - speed networks, this approach often works poorly, because in the(66)between sending the notification and notification arriving at the source, thousands of additional(67)may arrive. In ATM network, a major tool for preventing(68)is(69)control. When a host wants a new virtual(70), it must describe the traffic to be offered and the service expected.