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三条线段的平均长度是多少厘米？
What's the average length of all three lines?
youdao
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这根带子的长度是多少?。
What is the length of the string ?
youdao
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这条跑道的长度是多少?。
The two are of equal length.
youdao
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你的腿(手)长度是多少？
What is the length of your legs (hands)?
youdao
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那张桌子的长度是多少？
What is the length of that table?
youdao
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这个长度是多少？
Well, what is this length?
youdao
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这个长度是多少？
Well, what is this length?
youdao