First through a low velocity core, and then through a high velocity shell, where their speed is increased before they are transmitted into the surrounding seawater.
它们首先通过一个低速的核心，然后通过一个高速的外壳，在它们被输送进周围的海水之前，它们的速度提高了。
He was one of the first people to use high speed flash in bird photography.
他是鸟类摄影中最先使用高速闪光灯的人之一。
The first country to have a high speed train is Japan.
第一个拥有高铁的国家是日本。
With a speed of 250 km per hour, it's also the first mountain heavy train line to provide a 4G network.
它的时速为250公里，也是第一条提供4G网络的山地重载铁路线。
Since France introduced the first 260-kilometer-per-hour high speed train service between Paris and Lyons in 1981, the trains have achieved higher and higher speeds.
自从法国于1981年在巴黎至里昂推出首列时速260公里的高铁以来，列车的速度已经变得越来越快。
I had my first opportunity to ride the high-speed trains last week when I had a business meeting in Zhengzhou.
上周我第一次有机会坐高铁，当时我在郑州参加一个商务会议。
But at the Bethlehem race this year the Speed Sisters came first in their category.
但近年在伯利恒的比赛上，极速姐妹拿到了所在组别的第一名"。
But for the first time in human history, that is changing-and with shocking speed.
但是，这种情况在人类历史上首次发生了变化，而且，速度惊人。
First, it greatly improves speed.
首先，它会大大提高速度。
“Speed is God” is written on the first whiteboard you see when you walk up the stairs to our Shanghai headquarters.
当你走进我们上海的总部大楼时，在楼梯尽头的第一块白板上，你会看到上面写着：“速度是上帝”。
The first one stops and the second one takes off with the speed of the first.
第一个停止,第二个开始运动,获得第一个的速度。
Well, first we have to find out what the speed is.
首先要找出速度是多少。
Of the technologies people say they cannot live without, high-speed Internet came in first at 28 percent and email was second at 18 percent.
在被问及离开何种科技就无法生活时，高速互联网以28%的得票率高居榜首，电子邮件排在第二，得票率为18%。
The key is to maintain a capacity similar to the bottleneck and speed up the bottleneck first to get closer to the top capacity.
关键在于保持与瓶颈相同的处理能力，并先让瓶颈提速，让整个 系统向最高处理能力接近。
Special relativity came first and is based on the speed of light being constant for everyone.
首先发布的是狭义相对论，它的基础是对于任何一个人来说，光速是恒定不变的。
After the success of these first tests the speed was pushed up to 70kph, and this summer the first multiple-vehicle tests will begin with up to three cars and two lorries.
第一轮测试成功后，他们把速度提高到70kph，今年夏天他们还将进行的第一轮多车试验，由三辆汽车和两辆卡车组成。
The first is the speed with which the data are generated and crunched.
首先是数据生成和传播。
Visitors arriving at O.R. Tambo, the main international airport, will be whisked into Johannesburg by the Gautrain, Africa's first high-speed rail link (pictured above).
坦博机场(o.r .Tambo)是南非主要的国际机场，到那儿的旅客可以乘坐非洲第一条高铁线——Gautrain高铁(上图)到达约翰内斯堡(Johannesburg)。
At first glance, this seems to be about speed.
初看上去，这似乎是有关速度的问题。
A behavior like this slows down your reading significantly, so it's the first thing to go when you're learning to speed read.
这种行为很大程度上，放慢了你的阅读速度，因此，当你要学习快速阅读时，这时你首先要解决的难题。
Champagne country is a blur as the train tears along Europe's newest high-speed line—the first to link France and Germany.
当列车飞驰在第一条连接法兰西和德国的欧洲最新的高速线上时，香槟之国有些看不清楚了。
In this test scenario, the first step - identify tables that would benefit high-speed access - is easy.
在这个测试场景中，第一步—识别可从高速访问获益的表—非常简单。
Global health needs have changed considerably since WHO was established more than 60 years ago, and have evolved with exceptional speed during the first decade of this century.
自60多年前世卫组织成立至今，全球卫生需求已发生翻天覆地的变化，而本世纪最初十年的演变速度更是惊人。
The first two speed of the universe another name: the smallest space launch speed, maximum speed of the spacecraft.
第一宇宙速度两个别称：航天器最小发射速度、航天器最大运行速度。
Japan was the first country to achieve sustained, high-speed growth, in the post-war years, but it did so alone.
日本是在战后第一个国家实现持续高速增长的国家，但只有它一枝独秀。
Let's look at the most obvious issue first: network speed and reliability between the data centers.
首先让我们看一下最明显的问题：数据中心之间的网速和可靠性。
It may take a few moments at first, depending on the speed of your machine.
第一次可能要花点时间，具体取决于您机器的速度。
It may take a few moments at first, depending on the speed of your machine.
第一次可能要花点时间，具体取决于您机器的速度。
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