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定周期
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  fixed cycle
     The paper introduces a novel pulse type fast charge equipment, emphasizing on the grade fixed current, fixed cycle and limited voltage pulse fast charging method and the realization of twin loop feedback control technology.
     介绍了一种新型的脉冲式快速充电装置,着重介绍了装置所采用的分级定电流、定周期、限电压脉冲快速充电法和双环反馈控制技术的实现。
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     According to the mixed traffic flow of China, this paper studies the fixed time bus priority signal control and fixed cycle induced bus priority signal control. And based on the single phase fixed cycle bus priority induced signal planning,the arithmetic of muti-phase fixed cycle bus priority signal planning and the model fixed time single bus priority signal planning are established to minimize the average delay of passenger.
     根据我国混合交通特点,对定时式公交优先信号、定周期感应式公交优先信号配时方法进行了研究,以交叉口人均延误最小为目标,基于单一相位定周期公交优先感应信号配时方法,建立了多相位定周期公交优先感应信号配时算法和建立了定时式单点公交优先交叉口信号配时模型.
短句来源
  fixed period
     Two new indexes to measure the stability of periods of sequences,fixed period distance and variable period distance,are presented in this paper.
     本文提出了两种新的度量序列的周期稳定性的指标──定周期距离和变周期距离。
短句来源
     In this paper,research is performed on detecting a kind of fixed period sinusoidal curves in images.
     对一类定周期正弦曲线的检测问题进行了研究。
短句来源
  “定周期”译为未确定词的双语例句
     Study on Reliability Boundary Conditions for Periodic Maintenance of Agricultural Machinery
     农业机械定周期维修的可靠性边界条件
短句来源
     Analysis of a Kind of Cyclic Speed Change Mechanism by Kinematic and Kinetics
     定周期变速机构运动学和动力学分析
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     With the development of railway system modernization, to reform the Examination and determination way and program examination and determination data processing system is at its keen time. The examination and determination for the capacity of technical station process is expatiated in detail, and the shortages of the traditional examination and determination method are pointed out.
     随着当前铁路走向市场,列车运行图的调整越来越频繁,车流性质和数量也常发生较大的变化,这就要求车站能力查定周期相对缩短,传统的能力查定方法已经不能满足这一要求,因此,对技术站能力查定方法改进、能力计算方法的研究及数据处理系统的开发具有重要的意义。
短句来源
     Up to now, the main realizable fast charging methods include constant gassing rate, coulometric control, constant voltage, stable current/period, stable current/gassing rate and stable voltage/frequency.
     目前,能够实现的快速充电方法主要有恒定出气率、电量控制、恒定电压、定电流定周期、定电流定出气率、定电流定电压、定电压定频率等方法。
短句来源
     Furthermore, the algorithm's time needed by calculating path interval is steady.
     此外,该算法每一次的行距计算时间相对稳定,因此适用于定周期插补计算。
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  相似匹配句对
     Periodic Solution of autonomous systems
     驻运动的周期
短句来源
     Analysis of a Kind of Cyclic Speed Change Mechanism by Kinematic and Kinetics
     周期变速机构运动学和动力学分析
短句来源
     A BRIEF DISCUSSION OF CYCLE
     周期浅析
短句来源
     Credit Cycles
     信贷周期
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     dirus from Hainan,and differences were identified.
     差异。
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  fixed cycle
The optimal cycle time is determined by solving a sequence of fixed cycle time problems.
      
A fixed cycle production strategy is also derived.
      
The traditional assembly system consists of a series of balanced workstations operating at the same rate with fixed cycle times.
      
Bottom, Endocavitary recording during atrial pacing with a fixed cycle length of 550 ms.
      
Brian's work was thus of crucial importance in the complete solution of the Oberwolfach problem for fixed cycle length.
      
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  fixed period
A determination problem of external, surface-distributed controlling load that transfers a circular elastic plate from one prescribed initial state as close as possible to another prescribed finite state in a fixed period of time is considered.
      
A number of well-known evolution PDEs a remodified so that they then possess many solutions which are isochronous, i.e., completely periodic, with a fixed period that does not depend on the initial data (for large sets of such data).
      
The advantages of the new structure (decreasing the resonant frequency for fixed period and thickness, further angular stabilization of surface impedance for the TE-incidence of waves) are studied and explained.
      
for options whose payoff depends on the average price of the underlying asset where the average is extended over a fixed period up to the maturity date.
      
The selected trait -number of adults produced in a fixed period of time -showed a clear increase after 11 generations of selection.
      
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Pulse and periodic reverse current are applied to study Pb-Ni alloy plating. Comparing with the conventional direct current, it shows that both pulse and periodic reverse current can improve the physical and chemical properties of the Pd-Ni coatings, but the periodic reverse current seems more efficient. Through optimum seeking test, the most preferable technical conditions are considered as follows: periodic reverse cycle T=0.5-100ms; Tc/Ta=0.5-5, I_(pr)=5.0-100A/dm~2. The coating obtained is smooth, fine,...

Pulse and periodic reverse current are applied to study Pb-Ni alloy plating. Comparing with the conventional direct current, it shows that both pulse and periodic reverse current can improve the physical and chemical properties of the Pd-Ni coatings, but the periodic reverse current seems more efficient. Through optimum seeking test, the most preferable technical conditions are considered as follows: periodic reverse cycle T=0.5-100ms; Tc/Ta=0.5-5, I_(pr)=5.0-100A/dm~2. The coating obtained is smooth, fine, bright and corrosion resistant, with density 2.6g/cm2 greater than using direct current. Its microhardness can reach 722 Hv, being raised by 200 Hv, while the porosity is reduced by 60% at 0.5渭m. The coating remains bright after 44 hours of CASS test. As for microstructure, the coating obtained with periodic reverse current is fine-crystalline, with excellent micro-leveling and better covering power. Therefore some conventional defects such as porosity, poor corrosion resistance are thus overcome.

本文将脉冲法及周期换向法与直流法进行对比,对电镀Pd-Ni合金做了研究。研究表明,采用脉冲法及周期换向法均能改善和提高Pd-Ni合金镀层的物理性能和化学性能,但周期换向法效果更为显著。通过化化筛选所定的周期换向最佳工艺条件为:换向周期T=0.5—100ms,Tc/Ta=0.5—5,I_(pR)=5.0—100A/dm~2。所得的镀层光亮致密、平滑耐蚀。密度比直流法提高了约2.6g/cm~3,显微硬度提高了约200Hv达到722Hv,而孔隙率降低了60%。经44小时CASS法试验,镀层仍然保持光亮。在微观结构方面,周期换向镀层结晶十分细小,具有优良的微观整平性和较好的覆盖能力,因而解决了目前直流法电镀钯镍合金时存在的镀层针孔多,耐蚀性差,质量不稳定等问题。

In this paper, a kind of cyclic speed change mechanism have been analyzed by means of kinematic and kinetics. A design procedures of the cam in the mechanism can be pointed out and the kinetic characteristics of the mechanism can be controled by controling the cam curve and structure size.

本文通过对定周期变速机构运动学动力学分析,具体指出了此机构中凸轮的设计方法,以及如何通过对凸轮曲线和结构尺寸控制,而达到控制机构动力特性的目的。

Two new indexes to measure the stability of periods of sequences,fixed period distance and variable period distance,are presented in this paper.We also discuss the lower bounds of the two indexes on some sequences,and give a way to weight the stability of perods of sequences.

本文提出了两种新的度量序列的周期稳定性的指标──定周期距离和变周期距离。文中还研究了一些序列的这两种指标的下界,井给出了衡量序列的周期稳定性的一种方法。

 
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