今年早些时候，研究小组使用了一个40平方米的长方形尼龙帆，对克莱蒙斯的不可能理论进行了测试。
Earlier this year, the team put Clemmons's unlikely theory to the test, using a 40-square-metre rectangular nylon sail.
一个长方形的周长是16厘米，宽是长的3分之1，这个长方形的面积是多少平方厘米?。
A rectangular circumference is 16 centimetres , width is the strong point 1/3 , this rectangular area is a number square centimetre?
已知一个长方形的面积为Y平方厘米，一边长为X厘米，则这个长方形的周长为几厘米。
A known number rectangular area is a Y square centimetre, one side is long for X is that this rectangular circumference is several centimetres centimetre.
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