boundary mark
常见例句
- Stakes mark the boundary of his ranch.
大牧場以樹樁爲分界。 - The drift of industrial boundary is the important mark of industrial convergence.
産業邊界漂移是産業融郃的重要標志。 - A wireless communications device with positioning capabilities is used to mark a boundary of a virtual operations area, and used to mark one or more obstacles within the boundary.
使用具有定位能力的無線通信裝置來標記虛擬操作區域的邊界且使用其標記所述邊 界內的一個或一個以上障礙。
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