Based on our discussion of length measurement device developed by the instrument 's design point.

给出了长度测量的计算公式。基于我们研制的测长仪讨论了仪器的设计要点。

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SmartSound's offerings let users create customized soundtracks for their videos by controlling the length, musical arrangement, and instrument mix from a base of nearly 4, 000 songs.

ENGADGET: Vimeo provides the soundtrack of our lives with new tools