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问题 单项选择题

MPEG-4是基于对象的编码方式，它引入了视频对象VO（videoobject）的概念，用来实现基于内容的表示，则以下不是VO描述信息的是（）。

A.时间信息

B.形状信息

C.纹理信息

D.运动信息

答案

参考答案：A

单项选择题

关于《中华人民共和国传染病防治法》修订实施日期，以下四项中哪一项是正确的（）。

A、2004年8月28日

B、2004年12月1日

C、2003年8月28日

D、2003年12月1日
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单项选择题

WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (166) to improve their efficienty and reduce (167) . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (168) care. WLAN management solutions provide a variety of other benefits that can be substantial but difficult to measure. For example, they can protect corporate data by preventing (169) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network mananement by integrating with customers’ existing systems, such as OpenView and UniCenter. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming (170) and administrative chores.

（170）是（）

A.exploitation

B.connection

C.department

D.deployment
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