In response to this threat and the demand from countries for action, the World No Tobacco Day 2009 campaign focuses on the following main message.

为了应对这一威胁并根据国家的行动要求，2009年世界无烟日的活动侧重于以下主要内容。

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Web services on-demand is a subset of the on-demand message which covers a wide spectrum.

On - demand Web服务On - demand是涵盖宽谱系的On - demand消息的一部分。

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This thesis worked on a detailed study of instant message and information retrieval, and analyzed the Internet's potential demand and business model.

本文在详细研究了即时消息和信息检索两种应用的基础上，分析了互联网的潜在的需求和盈利模式。

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The device, which the Dolphins first began distributing at home games last season, contains a 4.3-inch display and provides 10 channels through which fans can individually select from a range of options, including audio programming and numerous television camera angles of the game, live updates and highlights of other games, fantasy team alerts, on-demand video, text-message boards, and concessionaires.

FORBES: NFL Experiments With Fan-Controlled In-Stadium Technology