The assessment of its healthy state using grey clustering decision-making method is put forward.

In this paper,method of grey clustering decision-making is applied in quality evaluation of(teachers ) classroom teaching,the grey classes of teaching quality are given,the whitenization weight function of grey classes is established,the evaluation model is built to calculate the example of teaching quality evaluation,simultaneously comparing with method of fuzzy clustering.

On the basis of monitoring data of three indoor objects,grey clustering decision-making is taken into the research of indoor air quality,actualizing the application of gray evaluation to indoor air quality.

This paper gives a grey clustering decision method of systematic analysis about selected subscribing to scientific and technological periodicals, and gives a comparison between stratifical analysis and grey clustering decision.

Based on grey decision analysis theory the advantage and disadvantage of classical grey clustering decisionare discussed.

Introducing the grey decision-making theory in the optimization of constructional parameters,the problem to transform multi-object optimization including the rates of ore recovery,undiluted ore recovery and rock drop-in into a single-object optimization was successfully solved.

The paper introduces the way of applying information entropy method to ascertain the indexes weights, researches the basic principles of grey decision-making, analyses the influence factors of building construction programs biding evaluation and builds the mathematic model.

With biodiversity, caterpillar population density and control cost as indices, optimal inoculating frequency and dosage were determined based on grey decision-making method.

In this paper, a new method for reasonably choosing drilling rig is provided according to the prin-ciple of grey decision of grey system theory and verified through example.

A single level grey decision making model,which is aimed at some existing problems on present decision of purchasing equipments,is proposed and its applications are shown with examples.

Application of multipurpose gray decision in theoptimization of blasting parameters;

The paper puts forward a mathematic model of multiplayer analysis/gray decision for carrying out public bidding and gives out some examples.

By means of the combination of analytic method based on hiberarchy and gray decision-making theory, and considering all sorts of the facts of SUAV in battle, the main effectiveness evaluation indexes of SUAV are presented.