英语词汇“鴻雁”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	鴻雁
释义	鴻雁 hóng yàn一种鸟 Anser cygnoides ,羽毛紫褐色,腹部白色,嘴扁平,腿短,趾间有蹼。吃植物的种子,也吃鱼和虫。群居在水边,飞时一般排列成行,是一种冬候鸟。也叫“大雁”swan goose简体鸿雁
随便看	nonnegative definite matrix nonnegative definiteness non-negative definite quadratic estimate nonnegative divisor Non-negative equilibria nonnegative equilibrium nonnegative estimate nonnegative estimator nonnegative form nonnegative function non-negative garrote thresholding nonnegative integer non-negative integer Nonnegative Integer Lattice nonnegative integers nonnegative integer solution Non-negative integer solution nonnegative integral form non negative integral form non-negative integral form Nonnegative integral symmetric matrix nonnegative irreducible matrix non-negative least squares nonnegatively Nonnegatively Hamiltonian operators