当解密的密文的最大长度是在字节模长度。
When decrypting the maximum length of the cipher text is the length of the modulus in bytes.
分别用固定长度保偏光纤和可变光延迟线实现偏振模色散(PMD)补偿的实验。
Experiments of compensation for PMD were done using fixed length of PMF and variable optical delay line, respectively.
研究了一种采用多模半导体激光与耦合光纤、采取声光调制及调节相干长度的外差干涉系统。
This paper describes a measuring system basing on an optical heterodyne interferometer, which utilizes a multi-mode laser diode and coupled optical fibers to adjust the coherent length of the system.
研究了在大芯径、多模功率光纤中传输的激光束光束质量和偏振与光纤长度的关系。
In this paper, the beam quality and polarization degree of laser beam which propagated in large core multimode power fibers is studied.
研究表明，增加引线数目、引线间距和加长顶线长度均可以增加天线系统的静电容，减小输入电抗的模值，并使天线的增益有所改善。
It is hold that one can increase static capacitance, reduce mode of input reactance and enhance the antenna gain by increasing down lead wires, their distances or lengthening the top loading wires.
根据该模型开发了铝型材挤压平模工作带长度和模孔配置的计算机辅助优化设计系统。
Based on this model a computer aided optimum design system of die bearing length and openings layout for aluminium profile extrusion is developed.
本文分析了异型(圆环型与矩形的组合)材成型时塑料熔体在模头中的流动机理，并给出了模口成型长度的设计方法。
While profile, the cross section was composed of annulus and rectangle, was extruded, the flow mechanism the plastic melt in the die was analyzed and the design method of die land was given.
在滚锻时，圆的或是扁平的棒料放在模辊之间缩小横截面增加长度制成诸如轮轴、板簧之类的零件。
Roll forgings. In roll forging, a bar stock, round or flat is placed between die rollers which reduces the cross-section and increases the length to form parts such as axles, leaf springs etc.
具有短路径的小部件充模较快，只有那些很厚的部件或者路径长度超过500MM的部件才需要超过3秒的时间充模。
Small parts with short flow lengths will fill quicker but only very thick parts or those with flow lengths more than 500mm will need to be filled for more than 3 seconds.
研究了脱壳油菜籽挤压系统参数（套筒温度、螺杆转速、螺头至模板距离、模孔长度、模孔孔径）对从榨笼中挤压出的菜籽油的游离脂肪酸、碘值和油脂稳定性的影响规律。
The influence regularity of the parameters of rapeseed extrusion system on free fat acid, iodine value and stability of rapeseed oil extruded from extract cage of extruder was studied.
分析了铝合金厚壁支座的弯曲工艺，计算了弯曲件的展开长度、落料力、冲孔力及弯曲力，阐述了弯曲件的回弹因素及凸凹模之间的间隙，介绍铝合金厚壁支座弯曲模具的结构设计。
The bending technology of the thick-wall supprt of aluminum alloy was analyzed, and the flattening length of bending, blanking force, piercing force and bending force were calculated.
以数值结果揭示外延层的体电阻率及厚度、活性区载流子的扩散长度、模增益和丝区宽度等参量对上述各种分布的影响。
Numerical results indicate how the various parameters such as bulk resistivity and carrier diffusion length in the active region affect the profiles.
得到模芯的长度后，根据模芯座的结构尺寸确定模芯装配尺寸；
3 get the core length, core assembly size is determined according to the structure size of the mold core seat;
模具的下模设有拉杆长度可伸缩的下顶料装置和刚-弹性上卸料装置。
There were a firm-spring upper stripper and a rejecter with tie rods of tensile length on the down die.
本发明引入四个主要的可变量，停 留时间、链长度、链速度以及处于同时接合状态的闭合的模腔的个数。
The invention incorporates four main variables, dwell time, chain length, chain speed and the number of closed die cavities in simultaneous engagement.
适当增加流道的长度，可以减小胶料出口处的速度场、剪切速率场的集中程度并使之趋于均匀，能够有效降低挤出胀大和模外熔体偏转流动现象。
The velocity field and shear rate distribution are reduced and uniform along with the proper increase of slip length. The die swell and the interface deflexion phenomenon will be reduced effectively.
确定了锥形模膛的最小长度、模腔锥角与毛坯长度的关系；
The minimum depth of conical die and the relationship between coning of die cavity and workpiece length are determined;
确定了锥形模膛的最小长度、模腔锥角与毛坯长度的关系；
The minimum depth of conical die and the relationship between coning of die cavity and workpiece length are determined;
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