time-dependent system

A quantum system with time-dependent Hamiltonian which transports slowly will acquire an undynamic phase factor exp { I γ n ( t)} factor during evolution in addition to a dynamic phase factor.

一个作循环周期缓慢演变的含时Hamiltonian量子系统，在演变过程中波函数除了熟悉的动力学相因子外，还附加一个非动力学性质相因子exp{iγn（t）}。

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The Discuss of a Special Time-dependent System

一类特殊含时系统的讨论

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We discuss the entire solution of the time-dependent population developing system equation. We regard the noncompetitive fertility rate as control function and judge its optimality by quadratic functional, and study the optimal control problems for the above population system.

讨论了时变人口发展系统的整体解，并且将非竞争人口生育率作为控制函数，用二次泛函来判别其最优性，研究了上述人口系统的控制问题。

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Solution of time-dependent harmonic oscillator system using explicit Euler method and discussion of the cyclic initial states

用explicit Euler方法研究含时受迫谐振子的演化及对系统循环初态的讨论

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Calculation of time-dependent system reliability for continuous RC bridge during service life

混凝土连续梁桥使用期的时变体系可靠度计算

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In this paper a time-dependent measuring system for welding deformation is established with high quality sensors shielded from strong welding interference, and the system has high precision and high sampling speed.

本文通过选用高性能位移传感器和加强屏蔽措施，建立了一套焊接变形实时测量系统。

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On the Stability of Linear Time-dependent Control System of 3 First-order Differential Equations

关于三阶线性时变控制系统的稳定性

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All Italy's political parties have accepted that it is time to revamp the system.

所有的意大利政党都已经承认现在是时候对体制进行改组了。

《柯林斯高阶英汉双解学习词典》

The electron wavefunction which contains both frequency and strength of the external field as well as the sizes of the quantum wire is obtained, with which the time-dependent transport property of the system can be determined.

此波函数包含了外场的频率和强度以及量子线的几何参量，由此可研究决定系统与时间有关的输运性质。

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By making use of the basic invariant, the squeezed states and squeezed number states for this time-dependent system are also constructed.

文中研究了广义含时谐振子系统的不变量和不变量的一般形式，并利用基本不变量构造了此含时系统的压缩态和压缩数态。

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The Optimal Control on the Noncompetitive Fertility Rate for the Time-dependent Population Developing System

时变人口发展系统非竞争人口生育率的最优控制

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Bifurcation and Trajectory Catastrophe of Time-dependent Dynamic System

时变系统分岔与轨迹突变

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By using C0-semigroup theory the existence of a unique nonnegative time-dependent solution of a system consisting of two repair'able unit has been proved.

用C0－半群理论证明一类两个相同部件并联可修系统的非负解的存在唯一性。

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The recommended ranges of the design parameters of ballastless track structure are put forward according to the analysis of effect of parameters of train and track on the spatial vibration responses of the high-speed train and ballastless track time-dependent system.

通过大量分析系统动力学参数对高速列车&无碴轨道时变系统空间振动响应的影响规律，提出了无碴轨道结构设计参数建议取值范围。

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The system has the ability to run more than one program at the same time.

该系统能够同时运行一个以上的程序。

《牛津高阶英汉双解词典》

In the second subsection, we introduce the background of the study on the time-dependent mesoscopic system.

第2节介绍了含时介观物理体系的研究背景。

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Adiabatic approximation is pulled in for explaining time-dependent Hamilton system and Berry phase.

涉及含时哈密顿系统的动力学和Berry相位，并引入绝热近似的概念。

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By making use of the invariant theory, the exact solution for a time-dependent system of double-well Bose-Einstein Condensate and corresponding geometric phase are obtained.

利用构造不变量理论，研究了一种含时双阱玻色-爱因斯坦凝聚系统的精确解，得到了相应的几何相因子。

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The prestressed reinforced concrete structure during construction is a time-dependent structural system.

施工期间的预应力混凝土结构是时变体系。

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Homoclinic Bifurcation and Time-Dependent Bifurcation of Quadratic System with Saddle-Node Bifurcation

具有鞍结分岔的二次系统的同宿和时变分岔

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The propagation of the atom laser beam with non-conservation quality factor is discussed based on the theory of ABCD formulation of propagation of a time-dependent quantum system.

本文在含时量子系统传播子的ABCD形式理论的基础上，进一步讨论原子激光这种品质因子不守恒系统的传输。

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The system has proved fallible time after time

时间一次又一次证明，这个系统是会出错的。

柯林斯高阶英汉双解学习词典

By that time the new system should be up and running.

到那时这个新系统应该会运转起来了。

《牛津高阶英汉双解词典》

Let-off motion is a typical non-linear time-dependent system.

送经机构是一个典型的非线性时变系统。

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All Italy's political parties have accepted that it is time to revamp the system

所有的意大利政党都已经承认现在是时候对体制进行改组了。

柯林斯高阶英汉双解学习词典

A fuzzy-p controller is applied in temperature control system in this paper. It can be proved that this method is superior to traditional PID controller to nonlinear and time-dependent dynamic system.

针对常规PID控制器对于非线性、时变系统难以达到控制要求的不足，采用了模糊比例双模分段控制器设计温度控制系统。

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At last, by proving the irreducibility of the C0-semigroup we obtain that the time-dependent solution of the system converges to the steady-state solution exponentially.

最后，通过证明该半群的不可约性，得到了系统模型时间依赖的非负解指数收敛到其静态解。

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