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1)  Analyze happened reasons
发生成因分析
2)  genesis analysis
成因分析
1.
Geological characteristics of the Paiting Au deposit with its genesis analysis,Guizhou Province;
贵州省排庭金矿地质特征与成因分析
3)  origin analysis
成因分析
1.
Abnormal pressure origin analysis of Kela 2 gas pool in Kuqa depression of Tarim basin;
库车坳陷克拉2气藏异常压力成因分析
2.
Scaling type of pipe line in Youshashan Oilfield and its origin analysis;
油砂山油田管线结垢类型及成因分析
3.
This paper emphasizes the geological characteristics and discuss on the origin analysis of polymetallic ore deposit in Shangzhuangping.
本文着重论述了上庄坪铜铅锌多金属矿床的地质特征和成矿淀化,进行了成因分析。
4)  cause analysis
成因分析
1.
Crack Cause Analysis of the Man Hole of a HDPE Reactor and its Repair;
聚合釜人孔开裂成因分析与修复
2.
Abnormal change of flood water level in hinterland of Pearl River Delta and its cause analysis;
珠江三角洲腹地洪水位异常变化及成因分析
3.
Remote sensing investigation and cause analysis of saline soils in north of Tarim Basin:taking delta oasis of Weigan and Kuqa rivers for example;
塔里木盆地北缘盐渍地遥感调查及成因分析——以渭干河—库车河三角洲绿洲为例
5)  causal analysis
成因分析
1.
Causal analysis of blood heat syndrome in psoriasis vulgaris;
寻常型银屑病血热证证候成因分析
2.
Study of causal analysis and weakness of lack of social trust;
“社会信用”缺失弊端和成因分析研究
3.
The Definition and Causal Analysis of Liquidity Excess in Chinas Banking System;
中国银行体系中资金过剩的界定和成因分析——一论资金流动性过剩
6)  genetic analysis
成因分析
1.
Mass components characteristics and genetic analysis ofJieyi large-scale compound accumulation bodies;
结义复合堆积体组成特征及其成因分析
2.
Distributional characteristics and genetic analysis for geologic hazard of North Fujian;
闽北地质灾害的分布特征及其成因分析
3.
Uranium mineralization characteristics and genetic analysis in Huaishuwan area,west margin of Ordos basin;
鄂尔多斯盆地西缘槐树湾地区铀矿化特征及成因分析
补充资料:判别分析预测法(见发生量预测)


判别分析预测法(见发生量预测)
discriminatory analysis for forecast

  判别分析预测法(diseriminatory analysisfor foreeast)又叫分辨分析法,是用判别函数预测害虫发生量的方法。其步骤为:将预报因子和预报量分为2级或多级,对预报因子进行线性组合,构成一个判别函数;先确定一个临界值作分辨指标,然后计算判别函数式中的系数,求出临界值;应用时,将预报因子的实查值代入判别函数式,求出预报值,将此值与临界值相比较,可预报害虫的发生量。 判别函数通式将预报因子的数据进行线性组合: 尸y~习c、·x、(1) 左=l式中夕为预报量;P为预报因子个数;x、(k二1,2,……,尸)为预报因子;c、为系数。二级判别法中的x分为2级,故(l)式为:〕一clxl+cZxZ(2)则y值亦分2级,可确定一个y。为分辨指标,当夕)yc时为A级,夕几时,若y>y。,可预报A级;若夕<夕。,可预报B级。当虱<元时,若y>夕。,可预报B级,若y  
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