| 1. | In this paper , each feature is considered to have an importance degree which is called feature weight
本文为每一个属性赋予一个权重，称之为特征权，表示这个属性的重要程度。 |
| 2. | Gauges should be inspected periodically after being used for a long time and inspection period is decided according to using frequency and importance degree
长期使用的仪表也应定期检定，其周期应视使用频繁程度和重点程度而定。 |
| 3. | I discuss the idea of importance degree and propose the definition and calculation method of importance degree . i present a reliability index system of isn
文中不仅提出了重要度的定义，而且给出了重要度的具体计算方法，以及在计算机上如何实现的算法。 |
| 4. | Aiming at the reliability of suspension subsystem and power subsystem , fault tree analysis is adopted to solve it . importance degrees to various parts in these two subsystems are studied , and some requirements for the reliability of key parts are put forward
针对悬浮系统和电源系统的可靠性问题，本文采用故障树分析法对其进行了失效分析，研究了各部件在系统中的重要度，并对关键部件的可靠性程度提出了要求。 |
| 5. | Considering the above facts , through studying the existing reliability indexes and finding the shortcoming of them , i propose a new reliability index of importance degree . the importance degree index is used both for the isn in condition of war and natural failures
在对现有可靠性指标的研究基础之上，针对现有网络可靠性指标对于评价保障网络可靠性的不足之处，提出了新的评价保障网络可靠性的指标，即重要度。 |
| 6. | So this part is dealt with separately . dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients . according to the different importance degree and vision character of the high frequency wavelet coefficients , different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree , horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio
对于小波变换后的小波系数的高频部分，根据其分布特性和人眼的视觉特性，采用视觉模型对零树量化过程的阈值进行修正，有效地去除视觉冗余；对各高频子图采用多级树集合分割的零树编码方法，有效地利用系数编码剩余符号，进一步提高压缩比。 |
| 7. | Grey correlation analysis is applied in the model identification of the fault diagnosis . in accordance with the importance degree of basis case , the possibility of fault model could be judged correctly in the fault tree analysis , which provides a scientific basis for fault handling in order of importance and urgency
在故障诊断模式识别中，运用灰关联分析，依据故障树的底事件重要度，通过关联度计算及排序，对故障树分析中，各种故障模式发生的可能性大小作出了准确的判断，从而为处理事故的先后、缓急提供了依据。 |
| 8. | Based on the theory of safety evaluation and risk assessment , this paper first ascertained the evaluating indices affecting ships ' seaworthiness and classified them according to their importance degrees by experts investigation , and used judgment matrix method to calculate weight of the evaluating indices , and then got the membership function by fuzzy collection theory , and finally established the mathematical model to realize a fuzzy comprehensive evaluation to ships ' seaworthiness
摘要根据安全评价理论、风险评估理论，通过专家调查方式确定影响船舶适航性的评价指标并按照重要程度进行分类，然后采用判断矩阵法计算评价指标的权重，运用模糊集合理论确定隶属函数，进而建立数学模型，实现对船舶适航性的模糊综合评价。 |
| 9. | While dissertating system safety analysis method , emphasizejd particularly on fta . fta is the method basing on occurred the top matter , analyzing from top to below , processing boolean operation , and in the last find out the mostly reason of faulty . while dissertating system safety appraise , emphasized particularly on dafen method and fuzzy integrated appraise method . dafen method just is used in sub - system and aimed at safety in some environment . fuzzy integrated appraise method process appraise to system safety using the knowledge of fuzzy mathematic which may be a great system or little system . while dissertating s safety decision - making , emphasized particularly on ahp which possess of the relative importance degree basing on experience of expert , constituting judgment matrix . calculating importance degree of every project . processing project - electing and decision - making
在论述系统安全评价时，主要论述了打分法和模糊综合评价法，打分法针对在某种环境下的安全性，进行子系统安全评价。模糊综合评价是运用模糊数学的知识进行系统安全评价，所评价的系统可以是一个大系统，也可以是一个小系统。在论述安全决策时，主要论述了层次分析法，层次分析法主要是根据专家经验，给出各因素的相对重要度组成判断矩阵，计算各方案措施的相对重要度，进行方案优选，进行决策。 |
