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[期刊论文] 作者：Klaus GRLEBECK,Zhongxiang ZHAN,
来源：数学年刊B辑（英文版） 年份：2004
By using the solution to the Helmholtz equation △u- λu = 0 (λ≥ 0),the explicit forms of the so-called kernel functions and the higher order kernel functions...
[会议论文] 作者：Jingjing Chen,Teng Zhang,Zhongxiang Zhan,Chunyu Zhang,Zhonygun Piao,
来源：第十九届国际十字花科遗传学会及芸薹属2014年年会 年份：2014
Plasmodiophora brassicae Wor.,the causal agent of Clubroot disease,has rapidly spread out over the past 10 years in China,and become one of the most serious problems for Brassica crops,especially in t...
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