fir

美 [fɜr]

英 [fɜː(r)]

复数：firs

权威英汉双解

FIR

1.	枞；冷杉an evergreen forest tree with leaves like needles

释义:

全部全部,冷杉冷杉,枞枞

类别:全部全部,口语口语,书面语书面语,标题标题,技术技术

来源:全部全部,字典字典,网络网络

难度:全部全部,简单简单,中等中等,难难

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The FIR filter has the distinct advantages that it has linear phase characteristics and is always stable for numerical computations.

Our unit concentrated in the forest and for a few days we had slept on the fir -twigs by the campfire .

He came round the back of the fir tree, and nearly tumbled upon the top of his Cousin Peter .

around a bit , and as I grew more comfortable in my new shoes , began looking for animal tracks among the fir trees just off the trail.

10.

1.	有限脉冲响应(Finite Impulse Response) 即有限脉冲响应（fir）、iir（无限脉冲响应）滤波、以及在傅立叶变换和dct（离散余弦变换）等频率变换时所运用的方法。第 … media.ccidnet.com\|基于2071个网页
2.	冷杉建筑学常见英语词汇 ... 桦木 birch 冷杉 fir 栎木 oak ... www.douban.com\|基于2006个网页
3.	枞树(fir-tree) 枞树 (Fir) 花之语：高尚花寓意：您有才华，品德高尚，而且很有责任感，希望为社会出一分力。您有著崇高的理想，要居於 … www.sosuo.name\|基于1386个网页

4.	远红外线(far infrared ray) 发射远红外线( FIR)、标量能量和负离子、不含重金属和含99.999%的锗。成份：天然火山矿物质 1. 若SE能量坠饰出现破损， … baike.baidu.com\|基于1197个网页
5.	有限冲激响应而有限冲激响应(FIR) 滤波器能在设计任意幅频特性的同时保证严格的线性相位特性[1]，同时它可以采用十分简单的算法实现， … www.eefocus.com\|基于940个网页
6.	飞儿乐团 FIR (Fei Er Yue Tuan) - Music, Songs, Albums ... Unlimited( 无限) FIR( 飞儿乐团) I want to fly( 我要飞) ... www.chinese-mp3.com\|基于892个网页

n.	1. 冷杉木,枞木 2. 【植】冷杉属 (Abies);枞;松科常绿树(如黄杉等)
abbr.	1. (=food-irradiation reactor)食物辐射(杀菌)用反应堆

n.	1. a tall tree with thin sharp leaves that do not fall off in winter. It produces large hard brown fruits called cones and can be called a fir or a fir tree.; the wood of a fir tree
abbr.	1. (=food-irradiation reactor)