不过现如今的许多计算机科学研究更加关注时间效率,特别是NP完全问题中的理论时间边界(比如旅行商人问题,这是完全NP中一个重要的问题,译者注)。
Most of the research in Computer Science these days is devoted to time efficiency, particularly the theoretical time barrier of NP-Complete problems (like the Traveling Salesman problem).
Ubiquity可以处理自然语言形式的命令(译者注:当然是指英语),因此理论上你可以凭直觉直接输入命令,而不用学习那些繁琐的语法。
Ubiquity handles natural language command phrases, so you can theoretically enter a command the way you intuit it, without having to learn the formal syntax.
当我外出去演讲时,我演讲的题目是:对智能设计论说不! (注:智能设计论是进化论和创造论以外一种新的物种起源理论,是近代西方兴起的一种证明上帝存在的理论)。
When I go out and give speeches, the title of my speech is “The Case Against Intelligent Design.”
最初,该理论能够用来说明水星独特运行轨道[译者注]和太阳光的弯曲,这两种情况是牛顿引力理论所无法解释的。
Originally, the theory was able to account for peculiarities in the orbit of Mercury and the bending of light by the Sun, both unexplained in Isaac Newton's theory of gravity.
我们还有希格斯粒子的其他线索。举例来说,如果它存在,那么它在“统一”不同种类的力之中(译者注,大一统理论)也有作用。
We have other hints about the Higgs; for example, if it exists, it plays a role in "unifying" different forces.
注:我明白理论上水(举个例子)也属于化学品。
Note: I know water (for example) is technically a "chemical".
其次,他无法忍受(尤其是在美国)在扶手椅上努力地用数学模型和理论来阐述该地区(所有这些形而上的东西)注[1]。
He had no patience, secondly, with efforts, particularly in the United States, to illuminate the region from the armchair with mathematical models and theorising (“all this meta-stuff”).
为注采试井解释方法的形成奠定了理论基础。
It would provide basis for interpreting methods of injection-production well test.
采用紊流射流理论推出了新的壁面射流计算公式,并在正确描述喷注贯穿的基础上建立了有涡流作用的空气卷吸模型。
The theory of turbulent jet has been employed to induce new formulas for wall jet, and on the base of correct spray penetration, air entrainment model in swirl field has been built.
低频振动采油技术已成为一项重要的物理增产、增注措施,但其理论研究水平目前还相对滞后于现场应用。
LF vibration oil recovery has become an important physical stimulation method, but its theoretical study is lagging behind field application.
本文研究了相对论电子注中的空间电荷波,建立了相对论空间电荷波的一般理论。
The space charge theory of relativistic electron beam is studied and the general theory has been formulated in this paper.
引入薄环形电子注,首次建立了脊加载同轴膜片圆波导的注波互作用线性理论,得到小信号条件下的色散方程。
The 'hot' dispersion equation of the coaxial ridge-disk-loaded cylindrical waveguide TWT with an annular electron beam can be firstly obtained according to self-consistent field theory.
运用采气实用计算理论,建立了注气井节点系统分析数学模型。
According to the practical computation theory of the gas production, the mathematical model for the nodal system analysis of the gas injection Wells is established.
本文主要运用线性理论分析了内开槽螺纹波导回旋管与双电子注同轴腔回旋管。
This thesis analyse the linear theory of Gyro-TWT with spiral corrugated waveguide and two-beam coaxial gyrotron.
最后应用粘弹性理论,分析了锚注支护对具有流变特性围岩在维护其稳定性方面的作用。计算结果表明,锚注支护对维护破碎围岩的稳定具有显著效果。
The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigt model and viscoelastic theory.
测定了最佳充注量下各部件的状态,试验结果和理论计算吻合较好。
The measured condition results of each components fit well with calculated results from the theoretical...
还包括微-纳米颗粒封堵技术、纳米降压增注技术、提高采收率基础理论研究等方面的应用。
The application of micro - nanometer particle plugging technology, displacement pressure decreasing and augmented injection nanotechnology and basic theory research I...
利用电子科技大学编写的微波管模拟套装中的3维注-波互作用模块进行了静态轨迹计算,验证了理论推导。
The ripple has been proved by 3D beam-wave interaction simulator(BWIS) module of microwave tube simulator suite(MTSS), which was developed by University of Electronic Science and Technology of China.
运用大孔出流理论设计了顶注压边浇冒口系统。
Based on the large orifice discharge theory, the kiss gating system of the casting was designed.
利用核泵浦激光强度与入射中子注量率的相关性,探讨了反应堆活性区核泵浦激光中子探测器的理论可行性。
The neutron measurement system based on the Nuclear Pumped Laser (NPL) techniques was explored in this work utilizing the relationship between the neutron flux and the NPL laser power.
结合现场工业性试验软岩巷道传统锚喷加固方式和全断面锚注加固方式维护效果的对比,证明了全断面锚注加固的理论意义和实际应用价值。
Through the in-situ tests of traditional bolting and shotcrete method and whole section bolting-grouting reinforcement method, the theoretical and practical values of whole section bolt...
然而在油藏开发实践和理论研究中,大多习惯性地将对常规油藏注气开采中分子扩散作用的认识沿用到裂缝性油藏注气开发中,即认为分子扩散可以忽略。
But in practice or theoretical studies, most people follow a wrong opinion that for a fractured reservoir molecular diffusion is negligible during gas injection as for a non-fractured reservoir.
从理论上分析研究了“边配边注”技术的施工工艺,并借鉴普通水力压裂的设计计算方法,模拟设计了施工过程中压裂液配方,并通过计算数据说明了可行性。
According to the general design method of hydraulic fracturing, a fracturing fluid formula in a treatment process is simulated and designed and its feasibility is proved through calculated data.
文中介绍了该注液器的结构、工作原理、理论依据和室内试验数据。
This paper presents the injector's structure, operating principle, theory and lab test results.
利用电子枪模拟程序对电子轨迹进行模拟计算,研究了电极形状、磁场分布以及电子轨迹与电子注参量的影响,为磁控注入电子枪的设计提供了理论依据。
An electron gun code is used to simulate the electron trajectory, the influence of electrode shape, magnet field, electron trajectory on the electron beam have been studied.
应用最优控制理论研究凝析气藏循环注气最优开发决策是特殊油气田开发方案设计的新尝试。
A new method to investigate optimal development decisions of gas-cycling in condensate reservoirs is presented.
太赫兹波EIO的注-波互作用理论研究。
太赫兹波EIO的注-波互作用理论研究。
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