Because of its cost, it is limited in practical use.

由于成本问题，它的实际应用受到了限制。

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Thus this soundwave echo method has its limitation in practical use.

不过，对测定目标物距离来说，声波运行的速度太慢，因此，声波回声测距法在实用中有其局限性。

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In practical use, there should be a balance between nesting and granularity.

在实际运用中，嵌套和粒度之间应该有一个平衡。

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And so that very practical consideration turns out to be important in how we use vaccines in real populations.

所以,如何使疫苗接种更便于,实际操作就变得非常重要

耶鲁公开课 - 生物医学工程探索课程节选

By 1997 or 1998, Japan's Ministry of Post and Telecommunications predicts, the system will be in practical use.

CNN: THE INTERNET

In the practical use case of a connected home, bandwidth will always be limited, but intelligent network management helps address this.

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"I feel a device like Wii U, with its ability to continue to offer new features and that network connection and the connection to the TV and the interface, really makes it feel that it's more than just a game machine, but something that offers a lot of practical use and practical purpose in the living room, " he said.

CNN: 'Mario,' 'Zelda' creator says give the Wii U time