主要问题

The main issue of iterative identification and control focus on how to ensure the system stability and control performance improvement.

摘要迭代辨识与控制设计的主要问题在于保证控制设计的稳定性和闭环性能的不断改善。

Based on all these, the dissertation points out that presently the formalization of usage of IT in education and the technicalization of education are the main problems.

在此基础上，论文指出，当前的主要问题在于"信息技术教育应用的形式化"和"教育的技术化"。

This is especially true in smaller rooms where a poor low frequency response is the main problem.

尤其是在较小的房间，一个贫穷的低频响应的主要问题。

This paper analyzes the main problems of agricultural development in the southern area of Ningxia province, summarizes the 20-year experiences of the experimental zone in the area, and puts forward four different models of eco-agriculture, fruit-vegetable model, fruit-seedling model, grass-fruit-livestock.

针对宁夏南部退化山区农业发展中存在的主要问题，在总结试区多年工作经验的基础上，提出了适合于当地农村经济发展的4种生态农业模式，系统分析了各种生态农业模式的经济、社会和生态效益及其推广前景，为半干旱山区退耕还林还草和农业可持续发展提供科学依据与实践基础。

On the process of identifying the Gapping of Main Journal Bearing of Engine, we used GONN and fuzzy system separately and successfully solved the main problem in fault diagnoses of engine through the two results.

在发动机主轴承间隙辩识过程中，直接使用GONN算法和该系统分别进行辩识，通过将两种结果相互补充，成功地解决了发动机故障诊断中的主要问题。

The main problem of the mode synthesis method , applied in structural vibration analysis of prefabricated bridges, is how to select relevant number of low frequency modes synthesized during the course that displacements of substructures are expressed in generalized coordinates that are defined by displacement modes.

模态综合法应用于装配式桥梁结构振动分析的主要问题，是在将子结构坐标缩聚为模态广义坐标的过程中，如何选取适当数目的低阶模态来参与综合。

Direct and accurate calculation on three-dimension watershed geomorphology is one of key issues in current fractal geomorphology.

实现具有三维立体特征的流域地貌分形维数直接准确计算，是目前分形地貌学研究所面临的主要问题之一。

The main problem in the production of gladiolus is that diseases and insect pests are so much, especially,the fungi disease is very serious.

唐菖蒲切花生产中遇到的一个主要问题是病虫害繁多，尤其是真菌性病害发病十分严重。

This article have analyzed the major problems basing on functionalized management in Longquan glasswork company ,and it also points out that the original functionalized management pattern is no longer answer to the market changes and development. So to promote a new management pattern----project management will be a better option to the company.

本文针对龙泉玻璃公司职能化管理模式存在的主要问题进行分析，指出原有的职能化管理模式已不能适应市场的发展变化，而在公司中推行一种新的管理模式——项目管理是个更好的选择。

Slow convergence to the global optimum has been one of the main problems in genetic algorithm.

收敛速度缓慢已成为遗传算法研究中亟待解决的主要问题之一。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！