雷电波的视在波头时间和视在波尾时间与理论波头时间和理论波尾时间没有直接的数学关系。
There is not direct mathematical relations among virtual front time, virtual tail time and theoretical front time, theoretical tail time of lightning impulse.
准确说，我大部分时间都在研究宇宙大爆炸理论和宇宙的起源。
I guess that would be fair to say I spent most of my time studying the Big Bang theory and where our universe came from.
除理论之外，这种专注表现在本身复杂性的理论，它根据它们运行的时间和空间需求来组织算法。
At the theoretical end, this focus manifests itself in complexity theory, which groups algorithms according to their time and space requirements for execution.
大多数时候我从书中学习理论，再花时间思考分析我的作品和其他人的作品。
Mostly I pick up theory through books and through time spent thinking and analyzing my work and the work of others.
而在爱因斯坦的理论里，空间和时间不单单只是难解难分紧密相连，而且其结构还由处在其中的物体所塑造。
In Einstein's theories, by contrast, not only are space and time inextricably linked, but the resulting space-time is moulded by the bodies within it.
爱因斯坦的理论指出巨大的物体会对息息相关的时间和空间产生扭曲。
Einstein’s theory recognizes that massive objects warp the very fabric of space and time.
然而现在科学家称大灭绝的周期性实际上证明涅墨西斯星球理论是错误的，因为随着时间的推移，在和其他星球的相互作用下，星球的运行轨迹会发生改变。
But now scientists claim that the regularity of the mass extinctions actually disproves the Nemesis theory because its orbit would have changed over time as it interacted with other stars.
神经系统学家经过几十年的推理论证发现，事情发生时，人类大脑会为其打下时戳，这就像相机为数码相片文件标上日期和时间一样。
Neuroscientists have theorized for decades that the human brain time stamps events as they happen, just as a camera tags the date and time onto a digital photo file.
他们需要将量子力学和相对论这两大物理学理论统一起来——前者是人类对微观粒子运行的描述，而后者则适用于解释宏观的空间、时间和物质相互作用的机制。
They have to stitch quantum theory - our description of how very small things behave - together with relativity - the theory behind the way space, time and matter interact.
平叛的军事理论家认为打击游击队员的战斗需要时间和耐心（以及比阿富汗现有的更多外国或本地士兵）。
Theorists of counter-insurgency say that fighting guerrillas requires time and patience (and even more foreign and local soldiers than are available in Afghanistan).
我们有一个理论，M理论或弦理论，认为自然界的常数，是钉在“场”里的，它们随时间和空间而变化。
And we have one theory, m theory or string theory, suggests that the constants of nature are pegged to fields that can vary across space in time.
最近，物理学家试图把引力和量子理论融为一体，由此来解释空间和时间的性质，已经开始重新研究这个老问题。
Recently, physicists trying to meld gravity and quantum theory, and so explain the nature of space and time, have begun to revisit this old question.
从理论上讲，朋友更少的用户有更多的时间来更新社会网络和回答相关问题。
In theory, users with fewer friends have more time to follow social-networking updates and respond to questions.
这是一个作品丰富的文学传统，换言之，与同样作品丰富，但时间较近的，非裔美国文学理论和批评形成对照。
It's a very rich tradition — in other words, somewhat in contrast with the very rich but also very recent tradition of African-American literary theory and criticism.
相反，想想在理论上和实践中是否有可能直接进入到另一个流程来节省时间和资源。
Consider whether it's possible, logical, and practical to save time and resources to go directly to another process instead.
有了协议文档和大量空闲时间，您可以从理论上编写一个与服务器通信的全新实现。
Given protocol documentation and a whole lot of free time, you could in theory write an entirely new implementation that would communicate with the server.
约翰-惠勒和诺贝尔奖得主理查德-弗雷曼，他们基于物理体系中时间应该可以倒流的想法，提出了一种反物质理论。
One theory about why antimatter exists was developed by John Wheeler and Nobel laureate Richard Feynman based on the idea that physical systems should be time-reversible.
这种方法可以使相对论和量子理论相和谐，前者可以解释信息处理过程怎样创造空间——时间，后者可以解释信息处理怎样创造能量和物质。
Such an approach could reconcile relativity and quantum theories, with the former being how information processing creates space-time, and the latter how it creates energy and matter.
增长份额矩阵掀起了企业管理和咨询业中应用矩阵的热潮，一时间没有哪个自重的报告或理论中少得了矩阵。
The growth share matrix started a fashion for matrices among management consultants. For a while no self-respecting report or theory was complete without one.
这些问题让理论家们开始思考膨胀的可能性或许也存在于其他地方和其他时间，从而创造出了与我们的世界平行存在的新宇宙。
These problems have led theorists to consider the possibility that inflation could occur at other places and times, generating new universes parallel to our own.
第三，每个星期四我们都有理论研讨会，一到两个小时的时间进行交流和探讨有关在计算机科学和数学理论上感兴趣的问题。
Third, on Thursdays we have theory seminar, a one-to-two-hour talk and discussion about interesting problems in theoretical computer science and mathematics.
我在实验室中用 ShunraCloud 模拟 28.8K和56K 线路得到的响应时间结果与理论结果相符。
My performance tests in the lab using Shunra Cloud at 28.8K and 56K had response-time results that matched the theoretical savings.
粗糙集理论作为一种处理模糊和不确定性问题的有效工具，对时间序列的数据挖掘是有效的。
Rough set theory, as an effective tool to deal with vagueness and uncertainty, is effective to the time series data mining.
奇怪的是这个理论的确可以解释当今世界和事物中的很多问题，比如说第八名中的200年的时间缺失。
Strange as it may seem this theory could explain a lot of the problems with the world and things such as carbon dating.
本文提出了模糊时间序列分析的理论和方法，研究了模型形式及其参数估计问题。
In this paper, the theory and method of fuzzy time series analysis are presented, the model form and the parameters estimate problem are studied.
一种理论提出，他们形成于远离主恒星的位置，大约相当于木星和土星目前的位置，随着时间的推移它们向内部移动。
One theory posits that they form far from their parent stars-about where Jupiter and Saturn are now-and move inward over time.
两个典型算例的理论分析和实际计算表明，这种预条件方法可以降低方程的迭代次数约30%，明显减少方程求解时间。
The theoretical analysis and numerical results of two typical examples show that this method can decrease the numbers of iterative by30%and reduce the computation time greatly.
然而现在科学家称大灭绝的周期性实际上证明涅墨西斯星球理论是错误的，因为随着时间的推移，在和其他星球的相互作用下，星球的运行轨迹会发生改变。
Butt now scientists claim that the regularity of the mass extinctions actually disproves the Nemesis theory because its orbit would have changed over time as it interacted with other stars.
然而现在科学家称大灭绝的周期性实际上证明涅墨西斯星球理论是错误的，因为随着时间的推移，在和其他星球的相互作用下，星球的运行轨迹会发生改变。
Butt now scientists claim that the regularity of the mass extinctions actually disproves the Nemesis theory because its orbit would have changed over time as it interacted with other stars.
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