美['fɪʃər] 英['fɪʃə(r)] n.渔船;费雪;渔夫;【姓氏】费舍尔 网络费希尔;飞世尔;费歇 复数:fishers 权威英汉双解 英汉 英英 网络释义 fisher — see also fisherman 释义: 全部,渔船,费雪,渔夫,费舍尔,费希尔,飞世尔,费歇
大小写变形:Fisher 词态变化 复数:fishers; 实用场景例句 全部 Fisherwas behind bars last night, charged with attempted murder. 费希尔被控谋杀未遂,昨晚入狱。 柯林斯例句 As the storm was approaching, thefisher- men were threatened by dangers of the most perilous nature. ...
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Fisher信息量提供了一种衡量随机变量所包含的关于其概率分布中的某个参数(如均值)的信息量的方法。 我们将从Fisher信息量的原始定义和计算公式开始。 Fisher信息量的定义和计算公式 给定一个随机变量y ,假设其服从概率分布f(y;θ) ,其中θ是该分布的参数(或参数向量),则Fisher信息量是其对数似然函数l(θ/y)关于...
Fisher也代表一种种族。费舍尔人（或费希尔人）是加拿大原住民部落之一，主要分布在安大略省和四个美国州。费舍尔人是古老的商业民族，以狩猎、钓鱼和贸易为生。Fish是费舍尔人的标志性物种，其图像常被用来代表费舍尔人的文化和传统。因此，Fisher也具有象征意义，代表原住民文化和自然保育理念。
1.One that fishes, as a person or ship engaged in fishing:"Her son-in-law was a splendid fisher. One day he caught a beautiful big fish"(James Joyce). 2. a.A carnivorous mammal(Martes pennanti)of northern North America, having thick, dark-brown fur. Also calledpekan. ...