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。
I quickly lose her track in the crowd.
我在人群中失去了她的踪迹。
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。
It should also track every configuration change in any component.
它还应该跟踪任何组件中的每项配置更改。
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。
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。
You keep track of multiple keywords in a special document.
保持对一个特殊的文档中多个关键字的跟踪。
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。
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。
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。
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 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 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。
We bumped along the track in our car holding on to our seats.
我们尽力坐稳在车中的位子上，沿着小路颠簸而行。
It then reads the CD to determine the offsets of each track, which in many cases can be used to uniquely identify the CD.
它随即读取CD以确定每条曲目的偏移量，在许多情况下可以用这些偏移量来唯一地标识CD。
Meanwhile, ComScore, another firm that calculates Web traffic, said Facebook is on track in 2010 to surpass Google for the first time in number of pages viewed.
同时，另一家公司ComScore计算了网站的浏览量发现：Facebook网站的浏览量在2010年首次超过Google。
It allows your users to know exactly what they are getting and makes it easier for them to track differences in releases.
它允许用户确切地了解他们获得了什么，并使跟踪版本之间差异的工作变得更加轻松。
Unfortunately, that doesn't really help because I can learn any track in just a handful of laps.
不幸的是，这真的没有太大帮助，因为任何赛道我跑几圈就够了。
Unfortunately, that doesn't really help because I can learn any track in just a handful of laps.
不幸的是，这真的没有太大帮助，因为任何赛道我跑几圈就够了。
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