In order to track temporal hours during the day, inventors created sundials, which indicate time by the length or direction of the sun's shadow.
为了在白天追踪时间，发明家发明了日晷，它通过太阳阴影的长度或方向来指示时间。
Better driving equipment will improve track adhesion in slippery conditions.
更好的驱动装置能在湿滑的条件下提高轨道的附着力。
Some scientists have even proposed using such GPS disturbances to track tsunamis in the open sea, Okal added.
一些科学家甚至提出，可以用这种GPS的扰动来追踪海啸在开阔海面上的传播。
The light it gives off can then be used to track the protein in living cells.
它发出来的光可以用来跟踪生物细胞中的这种蛋白质。
Using the Rational ClearQuest can help you track changes in the workflow between Web services at this level.
通过使用RationalClearQuest，可以帮助跟踪此级别的Web服务间的工作流中的更改。
During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
The Software Release record has a fairly basic workflow to track the progress in the software development lifecycle.
软件发布记录有一个清楚的基本工作流来跟踪软件开发生命周期中的过程。
Cash transactions are notoriously hard to track, in part because people use cash when they do not want to be tracked.
众人皆知，现金交易难以追踪，其部分原因是，人们就是在不想被追踪的情况下才使用现金。
Sysomos, a Canadian firm, for example, allows firms to track in real time what people think about certain products.
例如，Sysomos是一个加拿大公司，它可以让企业实时追踪人们对于特定产品的感受。
Ford sells a tangible product and investors can track changes in production costs.
福特公司生产销售的是有形产品，这更便于投资者跟踪其生产成本的变化。
Space Policy Directive-3 lays out general guidelines for the United States to mitigate the effects of space debris and track and manage traffic in space.
《空间政策指令3》为美国制定了一般性指南，以减轻空间碎片的影响以及跟踪和管理太空交通。
Rational RequisitePro helped us tremendously in this task, allowing us to manage our requirements and track changes in scope throughout the project.
RationalRequisitePro可以非常好的帮助我们完成这个任务，它允许我们在整个项目中管理我们的需求和跟踪项目范围的变化。
Here are a few ways that you can supplement your income and get on the right track in less time.
以下是一些可以增加你的收入，让你在尽量少的时间里回到正确的轨道上来的方法。
Just the opposite happened in the us, where a recovery that looked on track in the first quarter of 2010, suddenly stalled in May and June.
而在美国情况相反，2010年第一季度看似上了轨道的经济复苏在五月六月嘎然而止。
Just like a lonely shooting star in the boundless universe, everybody moves along his own track in search for his final setting place.
这世间的每个人，好像茫茫宇宙中一颗孤独的流星，沿着自己的轨道运行着，寻找属于自己的归宿。
Four world track records were broken in the Beijing games in 2008.
在2008年北京奥运会，四项田径赛世界记录被打破。
This has turned the three hours of practice on Grand Prix Fridays into highly valuable track time, as it is now teams' only real opportunity to track test in-season developments.
这就使得大奖赛中周五在赛道上三个小时的练习赛变得逾足珍贵，因为这三个小时就是车队在赛季中进行在赛道上测试开发的唯一机会。
In Amsterdam, officials are using Airbnb listings to track down unlicensed hotels.
在阿姆斯特丹，官员们正使用爱彼迎名单来追踪无证经营的酒店。
In the first few years, Knight distributed shoes out of his car at local track meets.
在最初的几年里，奈特在当地的田径比赛中，从车里拿出鞋子分发。
In fact, Knight started the company by selling shoes from the back of his car at track meets.
事实上，奈特的公司是通过在田径比赛时在车后座卖鞋起家的。
Mr Cavallo has form. He set up a website in 2008 to track supermarket prices in Buenos Aires and found that inflation in Argentina was three times official estimates.
他于2008年成立了一家网站，跟踪布宜诺斯艾利斯超市的价格，发现在阿根廷通货膨胀率是官方估计的三倍。
Radars used to track storms can detect water in the atmosphere only once it has condensed into clouds or raindrops.
用于跟踪风暴的雷达只能在大气中凝结成云或雨滴后才能够探测到水。
The traditional approach to keeping track of changes in software development is to use some type of change management system, process, or tool.
在传统的软件开发中，跟踪变更的方法是使用某种类型的变更管理系统、过程或工具。
The presence of MOW equipment either occupying the wrong track or fouling an adjacent track has been the cause of serious accidents in the past.
过去，护路设备占用错误轨道或阻塞相邻车道是造成重大事故的原因。
The computer refers to this point as the return address and keeps track of it in the stack frame.
计算机引用这一点作为返回地址，会在堆栈框架中跟踪它。
The parents have lost track of their child since the kid got lost in the park 20 years ago.
自20年前孩子在公园走丢以来，这对父母就失去了孩子的音信。
If you overeat one night, just get back on track in the morning by focusing on what's worked for you in the past.
如果你某天晚上，吃多了，只需要第二天早上回到原来的减肥计划中，并集中精力去做在过去对你减肥有效的事情上。
The United States won most of the track and field events. Similarly, in swimming, the top three places went to Americans.
美国队赢得了田径比赛大多数项目的胜利。同样，在游泳方面，美国人也囊括了前三名。
In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction.
1958年，澳大利亚科学家戴维·沃伦开发了一种飞行记录仪，可以追踪飞行高度和飞行方向等基本信息。
In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction.
1958年，澳大利亚科学家戴维·沃伦开发了一种飞行记录仪，可以追踪飞行高度和飞行方向等基本信息。
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