He set out with an apparently simple aim: to pin down the precise meaning of the concept of "information".
他的出发点显然很简单：确定“信息”这个概念的确切含义。
Inspired by Halley's suggestion of a way to pin down the scale of the Solar System, teams of British and French astronomers set out on expeditions to places as diverse as India and Siberia.
受哈雷提出的确定太阳系大小的方法启发，英国和法国天文学家团队开始在印度和西伯利亚等地考察。
If his identity is hard to pin down, his fears and hopes are easier to read.
假如他的身份很难确定，那他的担心和希望还是更容易弄懂一些。
Given a matching index, a single index fetch will pin down the row to be retrieved.
给定一个匹配的索引，通过一个单独的取索引操作就可以得到要检索的行。
Wheatley and Looser set out to pin down the point at which a face starts to look alive.
惠特丽和露泽着手找出脸在哪个点看起来有生机。
Real life skills are harder to measure, harder to pin down, but so much more beneficial.
真正的生活技能难以测量，难以确定，然而却使人受益匪浅。
Indeed, the very number of transgender people in the country and the state is hard to pin down.
的确，在整个国家或一个州内变性人的数字很难确定。
If they can pin down the relationship between age and rotation, a star's age will be much easier to measure.
如果他们能够确定星星年龄与转速之间的关系，星星的年龄测起来就简单的多了。
This is to pin down dark matter and dark energy-the 95% of the universe the Standard Model doesn't explain.
这场较量的目的是理解暗物质和暗能量——在宇宙中占95%却无法用标准模型解释。
FOR a subject that arouses such strong passions, "network neutrality" is fiendishly difficult to pin down.
对于“网络中立性”这一激起无数热情的话题，要想解释清楚是极难的。
It's hard to pin down exactly when chocolate was born, but it's clear that it was cherished from the start.
我们很难确定巧克力诞生的确切年代，但有一点是很明确的，那就是自诞生之初，巧克力就一直备受珍爱。
The requirements are difficult to pin down, and significant challenges are often posed by legacy data sources.
需求很难查明，遗留数据源常常提出重大的挑战。
When corporations' main assets are intangible the location of their profit is still more difficult to pin down.
如果企业的主要资产是无形资产，那么它们利润的产生地就更加难以确定。
This exhibition promises not just to celebrate the work of an important artist, but to pin down an elusive figure.
这次的展览绝对不只是歌颂一位颇具影响力的艺术家的成就，更是要揭开他的神秘面纱，确立他的形象。
All carbon footprints are hard or impossible to pin down accurately, but the Internet is a particularly complex case.
所有的碳足迹都很难或者不太可能精确地算出来，对于互联网，情况更是复杂。
After all, being honest or dishonest involves a set of cognitive and social factors which may prove too complex to pin down.
毕竟诚实与不诚实所涉及的可能是太复杂而难以确定的一系列认知和社会因素。
In the following we will see how the Buddha refutes all the attempts made by Ananda to pin down the locality of the mind.
下面我们会看到佛陀是如何反驳阿难的所有试图确定心的位置的尝试。
For something so influential and intuitively appealing, it turns out that the Hawthorne effect is remarkably hard to pin down.
作为一个如此具有影响力以及从直觉上引人入胜的理论，“Hawthorne ”效应却显得异常难以证实。
Previous research had determined that skin could absorb water, but couldn't pin down why it didn't fall apart when it expanded.
先前的研究断定皮肤能够吸收水分，但是未能找出皮肤膨胀后不会破裂的确切原因。
Such models may also help to pin down the causes of diseases that arise from the interplay of genetic and environmental factors.
这种模型也许能有助于发现基因与环境因素相互作用而引起的疾病的根本原因。
The ultimate balance between jobs created and killed is difficult to pin down, but the net result is far murkier than it might seem.
增加就业和降低就业很难保持完全平衡，但是结果远不是像看上去的那样清晰。
With Fermi's ability to detect very-high-energy gamma rays, and pin down their sky coordinates, it is uniquely suited to carry out this experiment.
费米望远镜所具备的侦测超高能伽马射线能力，能够锁定太空中的坐标，非常适于进行这一实验。
The conclusions come from Swiss and Australian researchers who analysed previous studies from around the world to pin down the role of grandparents.
这一结论出自于瑞士和澳大利亚的研究人员，他们分析了此前世界各地的相关研究，以确定祖父母的作用。
The foundation and dam body restrain each other , pin down one another, on the interface, the deformation of the two must be in concert and harmony.
地基和坝体相互约束，相互牵制，在接触面上，两者的变形必须协调一致。
Investigators scoured social networking sites such as Facebook and MySpace but initially could find no trace of him and were unable to pin down his location in Mexico.
调查人员搜寻了诸如Facebook和Myspace等社交网站，但一开始没有发现他的踪迹，也就无法确定他在墨西哥的具体藏身点。
Meanwhile, Nasa's Fermi space Telescope is taking a different approach to try to pin down dark matter. It will look for evidence of dark matter "annihilations" in space.
同时，美国太空署的费尔米太空望远镜也在使用不同的方法试图确认暗物质(的存在)。它将寻找暗物质在太空“湮灭”的证据。
A decade later, a new suite of experiments may pin down the properties of dark energy and solve what some experts are calling "the most profound problem" in modern physics.
十年后，一组新的试验有可能帮助搞清楚暗能量的特性，相应地，一些专家号称的现代物理学中“最深奥”的问题也将迎刃而解。
A decade later, a new suite of experiments may pin down the properties of dark energy and solve what some experts are calling "the most profound problem" in modern physics.
十年后，一组新的试验有可能帮助搞清楚暗能量的特性，相应地，一些专家号称的现代物理学中“最深奥”的问题也将迎刃而解。
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