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References [1]Chen Zhili, He Qiang, Jiao Baoshan, et.al.
[4] Zheng Hongfei, Yang Yinjun, Chen Ziqian at el.

[5] Han, Liping, Gerile ,Sun Baohua,et al.A quantitative analysis on agricultural surplus labor force migration and economic growth in China.Information Science and Management Engineering, 46 VOLUME 3, p 2739-2745, 2014
[7] El-Gafy Inas, Ramadan Neveen, Hassan Dalia.Economic irrigation water productivity maps for egyptian governorates.

In brief, three records are referred to as EL, CHS and RG, respectively.
References [1] GB 50011-2010 Code for seismic design of buildings．Beijing: China Architecture＆Building Press (2001) (in Chinese) [2] AISC341-05 Seismic provisions of structural steel buildings[S].Chicago: American Institute of Steel Construction Committee (2005) [4] Wenyuan Zhang, Haifeng Yu, Yaochun Zhang，et al.

The bands present in the region close to 1045 cm-1 are characteristic of the Si-O-Si bonds and those close to the 530 cm-1 region correspond to the characteristics of the octahedral layers of Si-O-Al aluminosilicate [20].
[16] E.L.

Then we can get an optimal solution of X through weighted iterative least squares algorithm: X=HTWH-1HTW(3) Here the weight matrix W is the inversion of covariance matrix Σ=diagσ12,σ22,…,σn2(4) σi2=σi,URA2+σi,iono2+σi,tropo2+σi,mp2(5) Where, σi,tropo=0.08×1.0010.002001+sin2el, and σi,mp=0.18-0.1∙el-5/85.
[9] Juan B, et al.

‘OMER HSS-AL ground end mills, DIN844, 2F.10x10x22x72 mm’ were used for the purpose of milling material tests, the experimental conditions are composed, spindle speed (510,572,637 rpm), feed rate (45, 50, 55 mm/min), depth of cut (1 mm), Level depth of cut (3,5,10 mm), milling direction (down-cut), and cooling (soluble oil), respectively.
Abou-El-Hossein, et., 2007.

Currently, only one standard (ASTM F2924) for Ti-6-Al-4-V material has been developed for use in Powder Bed Fusion technologies.
Levina, E.L.

Pac et al. [9] indicated the temporary thermal properties can be greatly influenced by the fabric structure.
El –Kasmi, Warm-cool feeling relative to tribological properties of fabrics, Textile Res.

In addition, this Ca-Mg ferrite do not present any trace of an orthorhombic Ca ferrite phase (JCPDS-32-0168) and the phase found corresponds to the cubic Ca ferrite reported by Hirazawa et al [9].
El-Barawy, I.

El-Tawil, A.E.
Bruhwiler, Rehabilitation and strengthening of concrete structures using Ultra-High Perfor-mance Fibre Reinforced Concrete, Concrete Repair, Rehabilitation and Retrofitting III – Alexander et al.