free fall

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Capital values are now dropping less steeply than in late 2008, when they were in virtual free fall.
现在商业资产价值下降幅度与2008年底的事实上的“自由落体”相比有所减少。
And the cost of computing power continues to free fall, which is a good sign for any enterprise setting up shop in silicon.
计算能力的成本持续自由下降，这对任何建立了网上销售的企业来说都是个好的征兆。
When is the plane at its highest point of its trajectory and how high is it above the point where it started when it turned the engines off when it went into free fall?
飞机在飞行轨迹的最高点,是什么时候,此时距离出发点,也就是关闭引擎的时刻,高度相差多少？,什么时候开始自由落体？

with bold action and outside-the-box thinking that has helped put the brakes on our economic free fall,"
What ended up happening is, you know the news, Rupert Murdoch bought The Wall Street Journal last fall and he announced that Wall Street Journal-- WSJ.com--will no longer be free.
最后的结果是,你们知道那条新闻的吧,鲁珀特·默多克去年秋天收购了《华尔街日报》,他宣布《华尔街日报》,WSJ.com,将不再免费
耶鲁公开课 - 金融市场课程节选
"It was in a free fall and it was a very scary period,"

Slatin says commercial real estate continues its free fall, with no end in sight.
FORBES: Light at the End of the Tunnel for Real Estate Billionaires?

an occasion when something or someone falls quickly under the influence of gravity

If the value or price of something goes into free fall, it starts to fall uncontrollably.
In parachuting, free fall is the part of the jump before the parachute opens.