使通过的

By analyzing two SEIS epidemic models with fixed period of latency, one of which is with constant input, another of which is with exponent input, the essential difference between their dynamic behaviors is found. For the model with constant input, the threshold is given.

通过研究两类带有确定潜伏期的SEIS传染病模型，发现对种群的常数输入和指数输入会使疾病的传播过程产生本质的差异。

Rui Da surplus of independent Sequin embroidered system after the birth, the factory installation of the system can enable ordinary embroidery machine-embroidered with embroidery Sequin function.

盈瑞达的独立亮片绣系统的问世后，工厂可以通过加装该系统使普通的平绣绣花机具备刺绣亮片的功能。

In return for ad hoc legislation that gave legal exemption from scrutiny to the stock exchange rule book, he promised that the restrictions on competition it contained would be removed.

限制行为法院通过了一项特别立法，使证交所的规则手册合法地免受审查。作为对该项立法的回报，他承诺废除规则手册中包含的限制竞争的规定。

In multipath frequency selective fading channels the bits could be adaptively allocated in the subchannels according to the subchannel gains to minimize the total transmission power for a given bit error rate .

OFDM在多径传播通过的频率选择性无线信道时，根据子信道的增益对子信道传输的比特数自适应分配，可以在满足特定比特误码率的前提下使整体传输功率达到最小。

Adopt software of Surfacer to fit curve and remodel surface, go on analysis of error and continuity, make model surface achieve rang of smooth and precision.

利用Surfacer软件对点云进行曲线拟合以及曲面重构拟合，通过对拟合曲线和自由曲面的误差分析以及连续性的分析，使构造的自由曲面光顺度和精度均满足要求，从而实现理论与实际的相结合。

Its working environmental temperature for the purpose reducing dark current needs to be lowered by a semiconductor thermoelectricity cooling apparatus.

1引言红外单光子探测技术是当今量子信息安全研究的中心课题，其中单光子探测器的核心器件雪崩光电二极管，需要通过降低工作环境的温度来使他的暗电流噪声降低。

In order to improve ability of anti-jamming, nowadays output of many measure-control systems' sensor is three thready difference signal and differ voltage range. Commonly, this signal is transacted by complex circuit , then it is collected. In this way, hardware cost of system is increased and precision of system is reduced.

现在很多测控系统为了提高抗干扰的能力，传感器输出信号多为3线制的差分信号，而且电压范围也不同，通常采用的方法是把差分信号通过复杂电路进行处理后再进行数据采集，这样不仅增加了硬件成本，还使系统的精度降低。

So cooperative controlling of driving force of wheel is a key of trafficability on tough lunar terrain.Based on SQP algorithm,driving force of wheel was optimized. Optimization is based on restriction of moving safely and smoothly.The aim of optimization is to minimize power consume of motors and varying range of driving force.

本文基于序列二次规划算法优化摇杆-转向架式月球车车轮系统驱动力输出，建立保证月球车在月壤平稳安全通过的力学约束方程，以车轮驱动功率和驱动力变化最小为目标函数优化车轮驱动力输出，使月球车平稳前进的同时车轮驱动电机功率消耗最小，这对能源有限的月球车来说是很有意义的。

It is attributed to the constant technology research and development, absorbing the advanced technology from abroad, which have placed Huada's acentric technology at the leading position in China.

华大公司通过二十多年的努力，得到了长足的发展，这一方面得益于公司持之以恒的技术研究与开发，吸收国外先进技术，使华大的分离技术勇立国内同行前列。

As soon as the child has got any teeth, and about this period one or two will make their appearance, solid farinaceous matter boiled in water, beaten through a sieve, and mixed with a small quantity of milk, may be employed.

一旦孩子有没有牙齿，有关这一时期的一个或两个将使它们的外观，扎实farinaceous事项煮沸的水，殴打通过筛，并混有少量的牛奶，可受聘。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。