free fall

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Capital values are now dropping less steeply than in late 2008, when they were in virtual free fall.
現在商業資産價值下降幅度與2008年底的事實上的“自由落躰”相比有所減少。
And the cost of computing power continues to free fall, which is a good sign for any enterprise setting up shop in silicon.
計算能力的成本持續自由下降，這對任何建立了網上銷售的企業來說都是個好的征兆。
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?
飛機在飛行軌跡的最高點,是什麽時候,此時距離出發點,也就是關閉引擎的時刻,高度相差多少？,什麽時候開始自由落躰？

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.
最後的結果是,你們知道那條新聞的吧,魯珀特·默多尅去年鞦天收購了《華爾街日報》,他宣佈《華爾街日報》,WSJ.com,將不再免費
耶魯公開課 - 金融市場課程節選
"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.