急剧的

Movements in stocks and interest-sensitive sectors such as home-building produced sharp contractions and sharp recoveries.

这时股市的变动和利息敏感的部门，如住房建筑业，产生了急剧紧缩和快速恢复。

In the 1960s potential output accelerated to around 4% a year, largely because more women got jobs. In the early 1970s, for reasons that are still ill-understood, productivity growth slowed sharply, pulling down the trend rate of growth. Between the mid-1970s and mid-1990s America's economic speed limit was about 3%. Around half that growth came from an expanding workforce; the other half from productivity growth.

上世纪60年代，由于更多的妇女参加工作，潜在产出增长率加快到年均4%左右。70年代初，生产率增长急剧下降，因而压低了潜在经济增长率，其原因现在还不清楚。70年代中期到90年代中期之间，潜在经济增速保持在在3%左右，其中劳动力增长和生产率增长的贡献各占一半左右。

Figures showed that new passport controls which the United States imposed on its border with Canada in June have caused a sharp drop in cross-border travel.

数据显示，在6月份美国强加在与加拿大边境的新护照管理制度，引起了过境旅行的急剧下降。

But during the summer of 2000, the star's temperature plummeted from 7,000 to 4,000 Kelvins over the course of just a few months.

但是在2002年夏天，它的温度却在几个月的时间里从7000K急剧下降至4000K。

It is a critical moment for a president whose popularity has fallen steeply since his election, says the BBC's North America editor Mark Mardell.

&对于声望已急剧下跌的总统来说，这是一个非常关键的时刻&， BBC 北美编辑 Mark Mardell 说。

With the development of E-commerce, the magnitudes of users and Web documents grow rapidly, and result in the extreme data sparseness of users.

随着电子商务规模的进一步扩大，用户数目和文档资源急剧增加，导致用户数据的极端稀疏性。

Preliminary tests were carried out to study the behavior of NO and NH3 over fresh sorbents in the presence of oxygen.

利用程序升温方法研究了两类催化剂对NH3和NO的氧化性能，发现NH3在高于400℃下急剧氧化，是脱硝效率下降的主要原因。

Tough economic times have not yet translated into a spike in sackings of chief executives of the world's biggest companies.

严酷的经济环境尚未导致全球大型公司首席执行官被解雇的现象急剧增多。

By getting your cat neutered you drastically reduce the amount of unwanted kittens that can be produced.

通过让您的猫绝育您急剧减少不必要的猫能生产。

Earlier researches suggested that HRT could maintain the normal function of vessels. However, a large sample randomized controlled trial discovered that with HRT therapy the total cardiovascular disease in estrogen plus progesterone group increased by 22%, compared to the placebo group.

早期研究提示HRT可维持血管正常功能，但大样本随机对照研究却发现服用雌激素和孕激素妇女的心血管疾病较安慰剂组增加22%，这导致了HRT应用的急剧减少。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！