boundary mark
常見例句
- 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(yè)邊界漂移是産業(yè)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(qū)域的邊界且使用其標記所述邊 界內(nèi)的一個或一個以上障礙。
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