When the British Labour Force Survey asks people whether they are depressed, the U-bend becomes an arc, peaking at 46.
当英国劳动力调查询问人们是否郁闷时，U型变成拱型，在46岁时达到顶点。
This article introduced one kind of entire station survey meter, together with the CASIO series programmable calculator, which carries on to the tunnel circular arc curve is surveys.
介绍了一种利用全站仪，结合CASIO系列可编程计算器进行隧洞圆弧弯道测设的新方法。
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