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It can measure the height, diameter and crown of trees at the same time.
该方法可以同时对树木的树高、树径、树冠进行测量。
youdao
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Look at the hole diameter now more air can pass thru and less noise.
看看现在孔径可以通过空气和噪音。
youdao
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Look at the hole diameter now more air can pass thru and less noise.
看看现在孔径可以通过空气和噪音。
youdao