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Two strategies, optimizing hill- climbing and large- scale gene mutation, are used to overcome the disadvantages of the primary hybrid algorithm, which easily converg to local optima.

用遗传与模拟退火相结合的混合算法对信道分配问题进行研究，并通过加入"寻优式爬山"与大规模基因突变两种优化方法对混合算法进行改进，克服了一般遗传算法收敛速度慢以及易于陷入局部最优解的缺点。

For the traditional ACO has the disadvantages of stagnation behavior and slow convergence, a few modifications are made in satellite network with its own cyclical and regular characteristics.

针对传统的ACO算法存在着停滞行为和收敛速度慢的缺陷，结合卫星网络自身周期性和规律性的特点，提出了一些修改的方案。

The Middle-sized and small pharmaceutical factories can open a new situation, only under the instruction of the sustaining policy of government, if they strengthen the research about their strategy, locating them reasonably, using their advantages, keeping off their disadvantages, developing towards the direction of profession, conversance, peculiarity and innovation, and also called speciality of technology function, peculiarity and refinement of product, and innovation of corporation.

中小型制药企业只有在国家支持性政策指导下，加强战略研究，合理定位，扬长避短，向"专、精、特、新"，即技术机能的专业化、产品的精品化和特色化、企业的创新化方向发展，必然会开创出一片新天地。

What are the advantages and disadvantages of a freely convertible currency?

你收到的一个重要的礼物是什么？谁给你的？它为什么对你很重要？

The invention solves disadvantages that workload of gatekeeper is too heavy in mode of requesting to convoke meeting initiated by terminals.

应用本发明实施例的技术方案能够解决由终端发起的请求召开会议方式中网守的工作负荷过重的缺陷。

Analyzed with single power factor correction flyback switching power supply of their working principle, advantages and disadvantages.

分析了带功率因数校正的单片反激式开关电源的其本工作原理，优缺点。

She asks: Why does the cosmopolitical school, when it pretends to weigh in the balance the advantages and the disadvantages of the system of protection, utterly ignore this great and remarkable instance of the results of that system?

它要问，世界主义学派对于保护制度的利弊。自以为是权衡过轻重的，那么对于上面所资这个制度所造成的一些非常显著的情况，为什么完全置之不顾呢！

Professional Association's disadvantages of transaction cost focus on its anti-competitive behavior, which is its native tendency.

行业协会的交易成本劣势集中体现在其反竞争行为上，反竞争行为是行业协会与生俱来的倾向。

But because of some disadvantages such as their complex configuration, costliness, inconvenience of maintenance, they are gradually replaced by asynchronous machines.

传统的电梯采用直流电动机驱动，存在着结构复杂、制造成本高、可维护性差等系列不足，采用异步电机取代直流电机已是大势所趋。

Three methods for synthesis of coumarin were introduced in the article,and their advantages and disadvantages were compared.

对香豆素常用的三种合成方法进行了介绍，对其工业化生产的优缺点进行了对比，最终选定了水杨醛法，并给出了工艺流程图和操作步骤。

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。