单词U-bend
n.: U形弯头
网络: 马蹄弯头；U型弯管；U型管
（尤指污水管的） U 形弯头，马蹄弯头，U 形管:
a section of pipe shaped like a U, especially one that carries away used water
U形弯头
复数：u-bends
The U-bend argues for a more positive view of the matter.
型曲线论证了对于该问题的一个更为积极的观点。
The answer, it turns out, is no: control for cash, employment status and children, and the U-bend is still there.
结果表明并非如此：除去金钱，就业状况以及孩子的因素，U型曲线还是存在。
"A few of us noticed the U-bend in the early 1990s, " says Andrew Oswald, professor of economics at Warwick Business School.
“20世纪90年代早期很少有人注意到U型曲线的问题”，华威商学院的经济学教授安德鲁奥斯瓦德称，“我们为此召开了一次会议，但是没有人参加。”
Whatever the causes of the U-bend, it has consequences beyond the emotional.
不管是什么造成U型曲线，这能带来超越情感的结果。
Americans and Zimbabweans have not been formed by similar experiences, yet the U-bend appears in both their countries.
美国人和津巴布韦人没有类似的生活经历，但是U型轨迹均在两国出现。
The heat transfer performance in series form and parallel connection form two U-bend loops and single U-bend loop GTE was expatiated.
进一步阐述串联形式与并联形式、双U型管与单U型管埋地换热器的传热性能。
The U-bend shows up in studies not just of global well-being but also of hedonic or emotional well-being.
U型曲线不仅出现在全球幸福研究中而且出现在享乐幸福或是情感幸福的研究中。
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。
And if a cohort effect were responsible, the U-bend would not show up consistently in 40 years" worth of data.
如果年代效应起作用的话，U型曲线不会在40年的数据中持续都出现。
Perhaps the U-bend is merely an expression of the effect of external circumstances.
也许U型曲线仅仅表明了外部环境的作用。