仿真结果表明，用户请求高峰期的逐流管理开销远小于连续媒体对象的投递带宽，逻辑层次簇群的管理开销可以忽略不计。
The simulation result shows that the per-stream management overhead is extraordinary smaller than the delivery bandwidth of multimedia object, so the management overhead can be neglected.
创建一个能满足广大用户群的产品时，逻辑上是使产品的功能尽可能广泛，以容纳最多的用户。
To create a product that must satisfy a diverse audience of users, logic might tell you to make it as broad in its functionality as possible to accommodate the most people.
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