查询词典 time value

Astute readers will note that in this case, its a waste of time and typing to capture the id in the regular expression, because its value will always be overridden by the dictionarys value.

聪明的读者会发现在这种情况下，在正则表达式里面写上捕捉是浪费时间的，因为 id 的值总是会被字典中的值覆盖。

A class of fast-scale bifurcations appearing around the maximum value of the input voltage is discovered for the first time by experiment. Then the influence of the fast-scale bifurcations on the performance of the PFC converters is discussed. Whether the fast-scale bifurcations will appear and how wide the bifurcation region depend on the characteristics of the current loop output. Therefore, the main factors that affect the current loop output are analyzed, including the current loop parameters, inductance, and root-mean-square value of the input voltage.

通过实验，该文首次发现了一类在输入电压最大值附近发生的快时标分岔；详细讨论了快时标分岔对PFC变换器性能的影响；由于电流环输出的特点决定了变换器是否会出现快时标分岔以及分岔区域的大小，该文分析了影响电流环输出的主要因素，包括电流环参数、电感值和输入电压有效值。

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当初最开始接确SEO的时候完全只是看了一些这方面的文单，紧接着我的一个主力站，一个BT站被文化厅叫停了，当时真的难受的要死，这个时候我想起了我一个系统美化站，一个根本就是做好了放着不管的一个站，查看了一下IP和PV，当时只有十几IP和几百PV，但PV值可以说是IP的七倍以上，觉得这个应该是一个有发展前途的站，因为页面的受欢迎度要比我原来的BT站要好的多了，所以就在这时打算把我所学的SEO运用在这个站上！

Using wavelet transformation technology, singular value decomposition technology and good characteristics of Morlet wavelet in time domain and frequency domain, a de-noising method based on optimal Morlet wavelet and singular value decomposition is put forward.

利用小波变换技术、奇异值分解技术和Morlet小波良好的时域和频域特性，提出了基于最优Morlet小波和SVD的滤波消噪方法。

To the single axis control model of the stabilized platform, the sliding mode rule is founded. The value of extraneous disturbances is estimated by using GM (1, 1) grey prediction algorithm, and then it is added to the sliding mode control rule as the compensating part. At the same time, the value of the switching function is predicted by the grey prediction method, by which the control chattering phenomenon is reduced greatly.

基于稳定平台的单轴控制模型，设计了滑模控制律，采用GM(1，1)灰色预测算法估计扰动量，将其作为控制律中的补偿分量，同时应用灰色预测方法对滑模控制策略进行预测输出，有效地减弱了滑模控制的抖动现象。

The results show that with increasing of service rate, the queue losing fee reduces for sojourn time and losing rate reduced, while the service fee increases. The total system fee has least value and the corresponding service rate is the optimization value.

结果表明：随着服务率的增加，由于信元的逗留时间及丢失率减小，与之对应的排队损失费也随之减小，但同时服务费在增加；系统总费用有它的最小值，这时对应的服务率是最优值。

Aimed at the problem of choosing the initial value when the Newton method is used to compute the controlling unstable equilibrium point, a practical and rigorous solving scheme was presented: by identifying the controlling load bus of the given fault, and using the Thevenin equivalent circuit to represent the rest of the system at the state of the post disturbance stable equilibrium point, using the steady equivalent circuit to represent the induction motor in composite load, and then using the torque characteristics of induction motor, a point near the CUEP is gained to be the initial value. The second order normal forms was used to approximate the stable manifold of CUEP, and the local approximating boundary of the region of attraction of the post disturbance stable equilibrium point was gained. Then just by simulating the state of the system at the fault clearing time, the transient voltage stability of the system could be determined.

针对采用牛顿法求取故障后系统主导不稳定平衡点(controlling unstable equilibrium point，CUEP)存在的初值选取难题，提出一种实用但不失严谨的解决方案：通过识别给定故障的主导负荷母线，对主导负荷母线以外系统由故障后稳定平衡点处的状态进行戴维南等值，对负荷中感应电动机部分采用其稳态等值电路，再由感应电动机的转矩特性求得CUEP附近的一个点作为近似的CUEP，以此为迭代初值可靠求得CUEP；采用二阶正规型来近似CUEP的稳定流形的方法求得近似的局部吸引域边界；由仿真得到故障清除时刻系统的状态并根据该状态是否位于吸引域内判断系统的暂态电压稳定性。

The results show that the entanglement of field-atom reduced to a stationary value with time evolution and the entanglement between two modes increase to another stationary value with intrinsic decoherence, and the values only depend on the two-mode photon number and mean photon number.

结果表明，存在内禀退相干时，随着时间的演化，场一原子纠缠逐渐减小到一个确定值，而模间纠缠逐渐增大到一个确定值，两者演化的最终值只取决于双模光子数差和平均光子数，而与内禀退相干因子无关。

At the same time, considering the economic value-added theory appraise the real value of enterprises, the traditional accounting index appraise the profit of enterprises, so on the basis of the above research, this paper compares the explanatory power of stock return by using two index.

同时考虑到经济增加值理论是从企业的实际价值考察，而传统的会计指标则是从企业的利润考察，因此在以上研究的基础上，本文也对这两种指标在对股票收益率的解释能力上进行了比较分析。

At the same time, Computer Go has been involved in many cross-disciplinaries such as Go, Computer, Mathematics, Biology, Logics, Strategics, Education, Psychics and even Philosophy. Consequently, its development has important research value and applied value.

计算机围棋的研究和实现需要多门学科的知识交叉，至少会涉及到围棋、计算机、数学、生物、逻辑学、军事学、教育、心理学乃至哲学等领域，因此其发展具有重要的研究价值和应用价值。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。