N-soliton-typedsolutionintermsofWronskiandeterminantforaforcedvariable-coefficientKorteweg-deVriesequation,Zhen-ZhiYao,Chun-YiZhang,Inthispaper,wefirstderivethebilinearformand auto-Backlundtransformationforavariable-coefficient Korteweg-deVries-typed(vcKdV)equationw