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卷尺拉出来多长读数就是多少?显然设计人员没有多少生活经验,以为是跟数显游标卡尺一样的用途啊。很多时候你要测量特别高的物体,比如说房屋的层高,很少会费时费力爬到最高处去看读数,而是多拉出一倍左右的卷尺,呈 |\ 状,看卷尺拐角那儿的读数就可以了,省去找梯子的麻烦了。这种情况下电子卷尺的读数就没有意义了。所以装这么一个小屏幕纯粹是增加成本而已,而且看起来更像是玩具,比较适合小朋友过家家的时候使用。
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Reader Comments (Page 1 of 1)
dodge @ Jan 14th 2009 2:40AM
卷尺拉出来多长读数就是多少?显然设计人员没有多少生活经验,以为是跟数显游标卡尺一样的用途啊。
很多时候你要测量特别高的物体,比如说房屋的层高,很少会费时费力爬到最高处去看读数,而是多拉出一倍左右的卷尺,呈 |\ 状,看卷尺拐角那儿的读数就可以了,省去找梯子的麻烦了。这种情况下电子卷尺的读数就没有意义了。
所以装这么一个小屏幕纯粹是增加成本而已,而且看起来更像是玩具,比较适合小朋友过家家的时候使用。