前沿

Simulation optimization is a hot and new topic in the fields of system simulation,operational research and so on.

仿真优化研究基于仿真的目标优化问题，已经成为系统仿真和运筹学等领域共同关注的热点和前沿课题。

So it has been an open problem and the front of Operational Research and Combinatorial Optimization.

车辆优化调度问题已经成为运筹学与组合优化领域的前沿与研究热点问题。

Optical signal processing is an important part of the modern information science and the frontier of the modern optics.

光学信息处理是现代信息科学的重要组成部分，是现代光学的前沿。

The study on the transmission mechanism of power flow in complex coupling system, which aims at the optimum control of the system dynamic performance, is one of the most challenging and prospective work in the field of vibration and noise control.

基于传递功率流控制原理研究复杂系统的动态特性与最优设计，是目前振动噪声领域的前沿课题和发展方向。

This paper proposes a novel muiti-objective evolutionary algorithm, based on a novel crossover operation and improved crowding operation of NSGA-II ,in order to quicken further rate of convergence of solutions to Pareto optimal front and improve precision of solutions.

为了提高非劣解向Pareto最优前沿收敛的速度及进一步提高解的精度，本文在设计了一种新的杂交算子并改进了NSGA-II的拥挤操作的基础上，提出了一种基于分级策略的多目标演化算法。

The research on plant organogenesis related gene expression and regulationis a pioneer project in cell and developmental molecular biology.

高等植物器官形态发生相关基因表达与调控的研究，是细胞生物学及发育分子生物学的前沿课题。

ABSTRACT: Abstract:Against the context of process of economic globalization, the economic, social, and cultural communication between Shanghai and global city are becoming more and more osculation.

经济全球化的背景下，上海作为中国对外开放的前沿阵地，和国际的经济、社会、文化交流日益密切。

We hope that the understanding on the reactivity of gas-phase osmium oxide cations with methane is helpful for the design of catalyst for the similar reactions.

所以甲烷和乙烯中C-H键的活化具有重大的经济和环境价值，也是最具基础意义的化学前沿课题之一。

The results of test indicate that it is basically consistent of the overtopping and wave crest elevation.And at the same time,the tranquility condition analyzed,operating days lost due to wave are obtained.

根据对试验数据的分析结果，码头上水情况与码头前沿波峰面高度基本吻合，同时通过对码头泊稳条件的分析，得到码头泊位波浪年损失作业天数。

Studies on paleo_ENSO in fields of paleoclimate, paleoceanography, geology and paleobiology in recent decades were reviewed in this paper.

本文对20世纪90年代后期逐渐在古气候学、古海洋学、地质学和古生物学等跨学科交叉领域中崭露头角的热点问题——古ENSO研究的前沿进展做了系统的总结和回顾。

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。