问题描述：
BEC的词汇释义问题：walk-through和fly-over
Our computerised designes provid walk-through and fly-over images to give you a 3D view of your design.中的walk-through和fly-over 是什么意思.另外如果能推荐一下查BEC词汇的好去处,感激不尽.
Our computerised designes provid walk-through and fly-over images to give you a 3D view of your design.中的walk-through和fly-over 是什么意思.另外如果能推荐一下查BEC词汇的好去处,感激不尽.
问题解答：
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