Period characteristics of radiated noise at high frequency is investigated by a method based on short time Fast Fourier Transformation, and propeller speed is estimated.
用短时傅立叶分析的方法研究了辐射噪声在高频段时频变化的周期性，估计了目标的螺旋桨转速。
With time fast running out, Congress may have left it too late to meet the Tuesday deadline set by the Treasury for raising the debt ceiling above its current $14.3tn limit.
时间正一分一秒地过去，国会可能没有足够的时间在财政部确定的提高上限的最后期限——星期二完成投票，把债务上限从现在14.3万亿再次提高。
When travelling on fast roads at night it is impossible to drive and navigate at the same time.
夜晚在快速路上行驶时，不可能边开车边找路。
As they had been sitting such a long time, their eyes closed with fatigue, and they fell fast asleep.
他们坐了很长时间，眼睛累得闭上了，很快就睡着了。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments has already confirmed that accelerated motion causes a traveler's time to be stretched.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments have already confirmed that accelerated motion causes a traveler's time to be stretched.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
On the positive side, the fast pace of life requires people to enhance their working efficiency, which allows them to enjoy longer leisure time.
从好的方面来看，快速的生活要求人们提高工作效率，这让他们能够享受更长的休闲时间。
Brain imaging studies suggest that the time from thoughts to the beginning of speech is extremely fast.
大脑成像研究表明，从思考到说话开始的时间间隔非常短。
The Tennessee Bun Company opened ahead of schedule in 1997, in time for a slump in U.S. fast-food sales for McDonald's.
田纳西面包公司于1997年提前开业，正好赶上美国麦当劳快餐促销衰退的时期。
The Tennessee Bun Company opened ahead of schedule in 1997, in time for a slump in U.S. fast-food sales for McDonald's.
田纳西面包公司于1997年提前开业，当时正值美国麦当劳的快餐销售衰退。
One night, my sister wanted to sleep in the room to see why he woke up screaming every time we put him in his crib fast asleep.
一天，我姐姐打算睡在那个房间，想知道为什么每次我们把他放在婴儿床上熟睡时，他就会尖叫着醒来。
When I look at this picture of myself, I realize how fast time flies.
当我看着这张自己的照片时，我意识到时间过得真快。
At that time, I was a shy and quiet girl. The teacher spoke so fast that I didn't understand her most of the time.
那时，我是一个害羞和安静的女孩。老师说得太快了，大部分时间我都听不懂。
Bellevue, a fast growing city, just east of Seattle, uses a system that is gaining popularity around the intersection signals that can adjust in real time to traffic conditions.
位于西雅图东部的贝尔维尤是一个快速发展的城市，它使用了一个在十字路口信号周围越来越受欢迎的系统，该系统可以根据交通状况实时调整。
It was not far off, and the car drove very fast, so it didn't take us much time to get there.
路近车又快，一会儿就到了。
Because checking a large code base can take a noticeable amount of time, even on fast hardware, this can also help you find specific problems you're looking for more quickly.
因为检查大型的代码基址需要的时间相当长，即使是在快速硬件上也是如此，所以这种方法还可以帮助您更快地发现您要查找的特定问题。
Some applications cannot be spread across multiple computers, and some operations take a certain amount of time no matter how fast the computer is.
一些应用程序不能跨计算机分散，不管计算机有多快，这些操作都需要花费很多的时间。
Thus you can drill down to a node that is consuming excessive CPU time for fast problem resolution.
因此，您可以深入到一个消耗过多CPU时间的节点，来快速解决问题。
Its unmarshalling performance is weak compared to other alternatives, but it does give good memory utilization and a fairly fast startup time.
与其它备用方案相比，它的数据分解性能比较差，但是它的确可以提供较好的内存利用率和相当快的启动时间。
Time grows more precious: hence the lure of fast food.
时间也变得更加宝贵：由此快餐变得广受欢迎。
We are fast approaching a time when the roar of a tiger in the wild will be replaced forever by silence.
老虎在旷野中的呼啸将永远被寂静所取代，这一天正迅速地向我们逼近。
Retransmission timer expires for a connection for the first time or the fast retransmit phase is turned on.
连接的重新传输计时器首次计时到期，或者打开了快速重新传输阶段。
What the baby may feed a little less than normal at the last feeding, and thus perhaps hunger fast this time?
会不会上一顿吃得比平时少了一些，因此这一顿饿得比往常快呢？
You can assume that at any time after the initial very fast process of getting equilibrium.
你可以设想在初始的很快，达到平衡的过程以后的任何时间。
It tells us at any time how fast we are going, and in what direction. So, for example, observe.
它告诉我们在任何时间我们运动的速度，以及它的方向，那么，举个例子。
There is every reason to believe that, by burning fossil fuels, humans are charting a similar course today-only this time in fast motion.
我们有充足的理由相信，燃烧化石燃料使当前的人类正在沿着一条相似的轨迹前进——只不过这一次动作要快得多。
It was the same blog in which she enthused about roller-blading for the first time: at night, fast, without a helmet.
在同一个博客中，也有她对自己第一次滑旱冰的津津乐道：晚上，速度很快，没带头盔。
However, others cautioned that a solution acceptable to all sides could yet be reached, although they admitted that time was fast running out.
然而，其他人告诫称，仍有可能达成各方都可接受的解决方案，尽管他们承认时间已经不多了。
And after the credit crisis erupted, in September, companies wasted no time: as fast as consumer spending was plummeting, businesses were cutting payrolls even more aggressively.
信用危机九月爆发之后，公司们没有浪费时间，和消费者缩减花费一样快，公司裁员甚至更为猛烈。
They offer a very fast delivery time, they have a very high reputation and they are the nearest supplier to the assembly line.
他们提出的供货时间很快，他们的声誉很好，他们是离装配线最近的供应商。
应用推荐