确定因素

This thesis has reviewed the concept of conservatism principle at first, and then proceeds from relation between conservatism principle and uncertainty in accounting system, thinking that the conservatism principle is a kind of accounting reflection modes that is formed from the uncertainty in accounting.

而随着经济的不断发展，会计活动中的不确定因素也越来越多，因此谨慎性原则在国际会计准则建立过程中，较早地得到了各国会计界的认可，它的存在和保留，也有其充分的理论依据和必然性。

This is by far the greatest uncertainty in projecting the economic reliability of fusion systems.

这也是目前投资聚变项目经济上最大的不确定因素。

Based on the safety evaluation criterion analysis and fuzzy set theory,the representation methods of dam safety criteria and treatment methods of uncertain factors are studied.

在安全评价过程中，无论是判据的选取、数据与判据的比较所反映的安全程度，以及对安全程度的表达方式上都存在着某些不确定因素。

It is an epic vision, but one rife with uncertainty.

这是一个伟大的构想，但存在普遍的不确定因素。

So many uncertainties remained that people began the search for the route leading to immortality to avoid the sting of death.

因为不确定因素太多，为了避免死亡，人们开始祈求长生不老。

Mr Serin and people like him are Wall Street's biggest uncertainty just now.

Serin和像他一样的人已经成为了华尔街最大的不确定因素。

Intelligent control strategys such as fuzzy control, all has the merit of not rely on the object mathematical model and the strongly robust, it can overcome the element of uncertainty in the servosystem such as parameter change and non-linear change, thus it can realize the high quality control performance of the system.

模糊控制等智能控制策略，都具有不依赖于对象的数学模型、鲁棒性强的优点，能够很好地克服伺服系统中模型参数变化和非线性等不确定因素，从而实现系统的高品质控制性能。

Actually, the uncertainty of survey data composes a lot of factors, not only stochastic variable. So traditional parameter estimation theories are not strict. To overcome their shortcoming, Prof.

实际上，测量数据的不确定性是多种不确定因素的综合，而不仅仅是由随机误差组成，因此使用目前的任何一种参数估计方法来处理测量数据都是不严密的。

With the development of society, many uncertain elements impose influences on economy, which should be attached importance to people. In 1970, Box and Jenkins proposed an analytical method of time series based on random theory which not only takes the theory of time series analysis to a new level but also promotes the preciseness of prediction.

随着社会的发展，许多不确定因素在经济生活中的影响越来越大，必须引起人们的重视。1970年，Box和Jenkins提出了以随机理论为基础的时间序列分析方法，使时间序列分析理论上升到了一个新的高度，预测的精度大大提高。

The thesis also does the sensitivity analysis related to the input parameters for reliability.Qingxi River Bridge is a down-support Arch Steel Tube Bridge with rigid tie bar, its main span is 90 m.

同时采用相关性原理，分析桥梁的一些不确定因素对可靠度的敏感性，较好地描述了随机变量对桥梁结构影响，同类论文在国内还不多见。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。