By extending ordinary factors to fuzzy factors in the logic rule description language, it defines a generalized logic rule description language and a generalized hierarchical rule-based model which can be used to model DES and FDES.

Theories and designing methods of the two kinds of FDES as related above are studied and according to the speciality of air defense missile system, the hybrid intelligent FDES solution is presented.

研究了基于符号推理和神经网络两种机制的智能故障诊断专家系统的原理和设计方法，针对地空导弹故障诊断问题的特殊性，提出了将两种诊断机制相结合的设计思路。

As an extension and generalization of DES, fuzzy discrete event systems ( FDES) describe fuzzy uncertainty of DES effectively by fuzzy states and fuzzy events.

模糊离散事件系统作为对传统离散事件系统的延伸和一般化，通过模糊事件和模糊状态，有效地描述了离散事件系统的模糊不确定性。

In recent 30 years, the theory of computational methods for FDEs has been widely discussed by many authors and a great deal of results have been found.

近三十年来，泛函微分方程的算法理论研究得到了众多学者的高度关注，取得了大量研究成果。

Boundary value problems ( BVPs) of functional differential equations ( FDEs) arise frequently in application of optimal control theory and circuit theory.

泛函微分方程边值问题广泛出现在最优控制理论及电路理论的应用之中。

Collocation methods and some difference methods have been used to solve BVPs of FDEs. However, theoretical analysis is not quite consistent.

配置方法及一些差分方法已经被用来求解泛函微分方程边值问题，但其理论分析并不是很统一。

Video fdes are playing an increasingly important role in the teaching of law.

视频资料在法学教学中发挥着日益重要的作用。

I've come to the point where I can't stand him.

我已经到了无法容忍他的地步了。

Takes them a while to come to the point.

他们要等上一会儿才能说到正题。

Let's stop discussing trivial details and come to the point.

咱们不唠叨琐事了，说正事吧。

Come to the point!

干脆点儿！

I do n't want to go now that it's come to the point.

既然到了关键时刻，我倒不想去了。

Don't beat about the bush.Please come to the point.

说话不要绕圈子，请直说吧。

I'll come to the point ─ your work isn't good enough.

我开门见山地说吧你的工作做得不够好。

I think you have come to the point where you must make a change.

我认为你达到了这样的阶段：你必须做出改变。

And then filtering scheme and FDIR scheme are analyzed. ( 3) The model and arithmetic of HALE UAV navigation system is researched: error model of the SINS, GPS, Bei-Dou and Air-data system is established.

对高空长航时无人机组合导航系统模型与算法进行了研究：首先建立了捷联惯导系统、GPS导航系统，北斗双星系统、大气数据系统的误差模型；

In order to accomplish the task successfully and avoid fault propagation that may result in severe failure, it is necessary to build up an on-line fault diagnosis system to realize the real-time Fault Detection, Diagnosis, and Recovery ( FDIR).

为保障任务完成，需建立起空间电源系统在线故障诊断系统，实现在线故障检测、诊断和修复（FDIR），防止故障传播和灾难性事故发生。

Based on Kalman filtering estimation algorithm, a kind of FDIR method based on hierarchic alliance of filter family is proposed.

文章在卡尔曼滤波估计算法的基础上，提出了基于递阶联合滤波器族的故障检测、隔离和重构方法。

FDIR ( Fault Detection, Isolation and Recovery) techniques are important guarantee of the reliability of spacecraft.

故障检测、隔离和重构（FDIR）技术是航天器可靠性的重要保证。

Finally, the current common Failure Detection Isolation and system Reconfiguration ( FDIR) algorithms are analyzed in detail.

最后对目前常用的故障检测、隔离和系统重构（FDIR）算法作了较详细的剖析。

Study on surface site types of quartz and calcium carbonate by FDIR spectroscopy

石英和碳酸钙表面位的FDIR谱学研究