To determine the catenary curves of arches, he would tack a sketch of a foundation plan on the ceiling, hang loops of string, and attach weights along the loops in proportion to down forces.
为了确定拱顶的链状曲线，他会用大头针将基座草稿钉到天花板上，吊上几圈绳子，在绳子上加重，与向下的力相符。
In the terminology of the next section, these three utility functions would have identical indifference curves even though they attach different Numbers to the curves.
如果以下一节的术语来表述，则是三个效用函数具有同样的无差异曲线，尽管它们为各曲线标上了不同的效用值。
In the terminology of the next section, these three utility functions would have identical indifference curves even though they attach different Numbers to the curves.
如果以下一节的术语来表述，则是三个效用函数具有同样的无差异曲线，尽管它们为各曲线标上了不同的效用值。
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