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Multiple media are organically organized together so as to integrate voice,text,graph and image,to r
epresent a complete multimedia information.
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更多“Multiple media are organically…”相关的问题
A.Carrier Sense Media
B.Carrier Sense MultipleAccess
C.Copper System Multiple
D.Copper System MediaAccess
12 .IEEE802标准的局域网体系结构中包含物理层，LLC层和MAC层，其中MAC的含义是
【 】
A .Multiple Access Control B. Media Access Conttol
C．Media Access Carrier D .Multiple Access Carrier
A．Carrier Sense Multiple Access with Collision Detection
B．Control Sense Multiple Access with Collision Detection
C．Carrier System Multiple Access with Collision Detection
D．Carrier Sense Media Access with Collision Detection
Standard & Poor's maintains a cautious stance on cable-TV operators in the wake of Verizon's (VZ) announcement in early May of aggressive price cuts for its digital subscriber line (DSL) Internet-access service. Our overall outlook for the S & P Cable & Broadcasting index, which also includes shares of over-the-air TV and radio broadcasters, is neutral to modestly positive. Cable operators have so far ruled out an overt price war on broadband services. However, expect to see near-term responses like increased bundling of services, extended free months, more aggressive marketing and promotions, even modest price cuts from cable outfits that offer multiple services such as broadband as they defend their high growth Internet-access business.
Continued rapid growth in digital cable and high-speed data services helped support the industry's ongoing revenue growth. We at S & P are wary of price pressures on the long-term and short-term economies of cable's broadband business. That's especially true as another Baby Bell, SBC Communications (SBC), is also undercutting cable-service providers in many core markets.
In their traditional business segment, U.S. cable operators continue to benefit from a modest rebound in advertising spending, following a significant downturn during the economic slump that started in 2001. The industry has actually increased its share of total U.S. ad spending. The cable sector posted uninterrupted revenue growth during the recent downturn, as its greater reliance on subscriber revenues gives it a more defensive posture than broadcasters. Subscriptions remain the industry's primary revenue source, accounting for roughly 65% of the total, with advertising makes up the rest.
Our near-term outlook for cable remains tempered by heightened levels of geopolitical anxieties, though the Iraq war's end has alleviated their impact on advertising demand. Meanwhile, core subscription growth continues to be driven by robust rates of high-speed data sign-ups and by improved prospects for digital-video ancillary offerings like video-on-demand and high-definition TV.
We believe that successful media operators will continue to anticipate, rather than react to, the ever-changing dynamics of an increasingly competitive media environment. Even with increased regulatory surveillance, vertically and horizontally integrated media operators should begin to wield increasing competitive advantages as they leverage operating efficiencies and realize synergies across multiple delivery platforms.
From the first paragraph, we can see that Verizon's announcement of price cuts ______.
A．has produced a positive effect on S & P Cable and Broadcasting index
B．will intensify the competition among Cable-TV operators in the near future
C．render aggressive price cuts from other cable outfits absolutely impossible
D．will make other cable operators offer multiple services like broadband
A second aspect of the Web is that it is the first medium that honors the notion of multiple intelligences. This past century's concept of literacy grew out of our intense belief in text, a focus enhanced by the power of one particular technology-the typewriter. It became a great tool for writers but a terrible one for other creative activities such as sketching, painting, notating music, or even mathematics. The typewriter prized one particular kind of intelligence, but with the Web, we suddenly have a medium that honors multiple forms of intelligence—abstract, textual, visual, musical, social, and kinesthetic. As educators, we now have a chance to construct a medium that enables all young people to become engaged in their ideal way of learning. The Web affords the match we need between a medium and how a particular person learns.
A third and unusual aspect of the Web is that it leverages (起杠杆作用) the small efforts of the many with the large efforts of the few. For example, researchers in the Maricopa County Community College system in Phoenix have found a way to link a set of senior citizens with pupils in the Longview Elementary School, as helper-mentors (顾问). It's wonderful to sec-kids listen to these grandparents better than they do to their own parents, the mentoring really helps their teachers, and the seniors create a sense of meaning for themselves. Thus, the small efforts of the man—the seniors—complement the large efforts of the few—the teachers. The same thing can be found in operation at Hewlett-Packard, where engineers use the Web to help kids with science or math problems. Both of these examples barely scratch the surface as we think about what's possible when we start interlacing resources with needs across a whole region.
What does the word mind-stretching imply？
A．Obtaining one's mental power.
B．Strengthening one's power of thought.
C．Making great demands on one's mental power.
D．Exerting one's mental power as far as possible.
A.to allow multiple users to enter configurations mode simultaneously
B.to allow configure multiple users in the device
C.to allow multiple users to use multi-layer configuration authority
D.to permit multiple levels of configuration rights
多器官功能障碍综合症(multiple organ dysfunction syn drome，MODS)
A.Maximum Input Maximum Output
B.Multiple Input Multiple Output
C.Multiple Input Mnximum Output
D.Maximunm input Multiple Output
A.Maximum Input Minimum Output
B.Multiple Input Multiple Output
C.Maximum Input Multiple Output
D.Multiple Input Maximum Output
