"If we go into a protectionist downward spiral, we are lost,".
VOA: standard.2009.04.15
You can see that if a was equal to g, your downward acceleration is that of gravity, namely the cable has snapped in the elevator, Then you don't feel any weight.
你会发现如果 a 等于 g,你下降的加速度就是重力加速度,也就是电梯的绳索断了,那时你会完全失重
Then the--so the term structure was downward-sloping until about two and a half years and then it was upward sloping.
期限结构线先向下倾斜,在到期期限过了两年半的时点后,才缓慢回升
But the threat of terrorism, according to former Yemeni prime minister Abdul Karim al-Iryani, is equally part of the downward economic spiral causing anger on the streets of Sana'a.
VOA: standard.2010.04.20
And very often what that does-- a positive emotion can take us out of this downward spiral and create an upward spiral.
很经常的是-,积极情绪把我们带出下行螺旋,形成一个上行螺旋。
Ann Veneman,is anExecutive Director of UNICEF, She says global efforts have stopped a downward trend in vaccinations and have even boosted the number of children and infants being vaccinated.
VOA: standard.2009.12.28
And what we know is that very often we enter a downward spiral, a vicious cycle when we go into this narrow and constrict mode.
我们知道经常会进入下行螺旋,一个恶性循环,当我们进入狭窄收紧的模式。
We had an extraordinarily high price-to-earnings ratio representing a lot of optimism in the '20s for the stock market and then it corrected and went abruptly downward-- that was The Great Depression.
在二十年代,市盈率高得离奇,表现了当时人们对股票市场的乐观,当其得到修正并突然下跌时,大萧条便开始了
That's a strongly downward-sloping term structure.
这是个显著向下倾斜的期限结构
Now, there's also a trend downward.
目前也有降低的趋势
Irving Fisher also drew on the curve a production possibility frontier for society, which he made downward-curved.
欧文·费雪还画了一条曲线,代表了社会的生产可能性边界PPF,这是一条向下的曲线
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