特征值的渐近分布asymptoticgiantbranchagb: 渐近巨星支asymptotically-efficient estimate: 渐近有效估计asymptotics: 渐近性asymptotically unbiased estimator: 渐近无偏估计式asymptotisch asymptotic: 浙近的下载手机词典可随时随地查词查翻译