fir
美 [fɜr]英 [fɜː(r)]
- n.冷杉；枞
- abbr.(=food-irradiation reactor)食物辐射(杀菌)用反应堆
- 网络有限脉冲响应(Finite Impulse Response)；枞树(fir-tree)；远红外线(far infrared ray)
复数：firs
firfir
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 …
冷杉
建筑学常见英语词汇 ... 桦木 birch 冷杉 fir 栎木 oak ...
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 …
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， …
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， …
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) ...
1
I glance up to see an iridescent-green hummingbird hunkered down on a fir branch, sheltered against the Tree's trunk.
我抬头看见一只泛着虹彩的绿色蜂鸟栖息在一棵冷杉的枝上，藉树干为它遮挡风雨。
2
The FIR filter has the distinct advantages that it has linear phase characteristics and is always stable for numerical computations.
有限冲激响应（FIR）滤波器的优点是具有精确线性相位而且总是稳定的。
3
"Look what is sticking to the ugly old fir-tree, " said the child, treading on the branches till they cracked under his boots.
「你看粘在这株丑陋的老枞树上的是什么？」那孩子说着就践踏树枝，直到它们在他的靴子底下发出霹哩拍啦的声音。
4
I glance up to see an iridescent-green hummingbird hunkered down a fir branch, sheltered against the tree's trunk.
我抬起头，瞥见一只绿莹莹的蜂鸟落在一棵毛榉树枝上，凭借树干避着风雨。
5
Our unit concentrated in the forest and for a few days we had slept on the fir-twigs by the campfire.
我们的单位集中在森林中，我们已经在围在冷杉枝点燃的篝火旁度过了好几个夜晚。
6
The Christmas season has officially arrived at the White House in the form of a six-meter balsam fir tree.
欢庆圣诞的季节随着一棵6米高的香脂冷杉树的到来已经正式在白宫拉开序幕。
7
He came round the back of the fir tree, and nearly tumbled upon the top of his Cousin Peter.
他绕到杉树的后面，差不多要见到他表兄弟彼得的头顶了。
8
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.
我们转了一会儿，当逐渐适应我的新鞋时，我开始在杉树林中搜寻新鲜的脚印。
9
a very fine stag, with his branching antlers, was placed on the spit, and was slowly turned between the stems of two fir-trees.
果真如此，那是一只很棒的公鹿，还带有分叉的鹿角叉在烤肉架子上，在两枞树的树干间慢慢地转着。
10
I'm home now. The weather has turned. The wind is howling through the fir trees on the edge of my bluff.
我回到家中，天气变了，风呼啸着穿过断壁边的冷杉林。
11
The company's products are mainly made of paulownia, as well as fir, pine and other kind of timbers.
本公司产品以桐木为主，兼有衫木、松木和其它木材。
12
It is usually of high a pine or of fur a fir. It remains green during the cold, dark months of winter in the northern part of the world.
这种树最常见的就是松树和冷杉，在北半球寒冷、阴暗的冬天那几个月它们也能保持青绿。
13
Norway: Two small fir trees are set on either side of the door to the couple's house until they are blessed with a child.
挪威：新婚夫妇的房门两旁放置两棵小冷杉树，直至新婚夫妇喜得贵子。
14
Christmas tree in general is sort of evergreen fir Bo made a symbol of life forever.
圣诞树普通是用杉柏之类的常绿树做成，意味生命长存。
15
She looked around and padded off across a ravine, toward the edge of the blue spruce and Douglas fir forest that would be her new home.
她环顾了四周一下，便健步越过沟壑，跑向她的新家——一片由蓝色云杉和道格拉斯冷杉组成的丛林。
16
FIR, Finite Impulse Response, filters are one of the primary types of filters used in Digital Signal Processing.
杉木、有限脉冲响应、过滤器是一种主要类型的过滤器用于数字信号处理。
17
Chinese fir is one of good tree species during establishing anthropogenic vegetations on red earth in low hills.
杉木是低丘红壤地区人工植被建造的优良树种。
18
The Fir tree was put into a large room. He looked around the room curiously. Soon after, many servants and young girls came in.
枞树被安置在一个大房间里。他好奇地打量着房间里的一切。不久，许多仆人和小女孩们走了进来。
19
The 20-foot Fraser fir from North Carolina will be set up in the Blue Room of the White House.
这个20英寸的北方香脂冷杉来自北卡罗莱纳州，它将被安置在白宫的一间蓝屋里。
20
I addressed the fir tree she loved and the wind moving in it. "Please keep her safe for me. "
我又和她所钟爱的冷杉树，以及那拂动树枝的寒风说道，“请替我照顾好她。”
21
Fir Christmas trees are generally evergreen cypress and the like made of a symbol of life forever.
圣诞树一般是用杉柏之类的常绿树做成，象征生命长存。
22
Fir living in Xinjiang is an ornamental tree species, with graceful crown of a tree, straight trunk, needle leave and long elliptic fruit.
其中，新疆冷杉是一种很好的观赏树种，它的冠形优美，树干通直，针叶翠绿，果实呈椭圆形。
23
If the fir trees are cut down at a faster rate than new trees are planted and allowed to mature , the stock of fir trees will go down .
同样在这里，如果杉树砍伐的速率比种植树木的速率快，并允许它们成熟生长，则杉树的积存量将下降。
24
through here , he said , looking penetratingly into the dense fir - trees , that were young and not more than half - grown.
他一边说，一边尖锐地望着浓密的小杉树丛中，这些小松树还没他们一半高。
25
Ukraine - Fir trees are decorated and parties enjoyed, with Christmas being a very popular time of the year.
乌克兰-装饰杉树，许多人一起狂欢，这是一年中最热闹的时候。
26
A player placed a fir cone or stick against his ball to prevent the ball from moving when he moved some loose impediments .
当一名球员移动散置障碍物的时候，他放了一个冷杉果或一根小棍靠在球上，以免球移动。
27
Merely, the branch of a fir tree that touched my lattice, as the blast wailed by, and rattled its dry cones against the panes!
只不过是在狂风悲叹而过时，一棵枞树的枝子触到了我的窗格，它的干果在玻璃窗面上碰得嘎嘎作响而已！
28
Generalized inverse matrix can be used to get an inverse system of the last FIR filter. The inverse system is also a FIR filter.
最后，利用广义逆矩阵的定义将小波分解算法中的IIR滤波器转化成两个级联的FIR滤波器。
29
Ki energy in humans moves like light and electricity with a wave length of 5-25 microns, amazingly similar as the wave length of FIR.
文能源如同光线和5-25微米的，令人惊讶的远红外线波长相同波长电力人类动作。
30
One of the most popular is the evergreen tree. It is usually a pine or a fir.
其中最普遍的就是长青树，通常是松树或是冷杉。