fir
美 [f?r] 
英 [f??(r)]
- n.冷杉；樅
- abbr.(=food-irradiation reactor)食物輻射(殺菌)用反應(yīng)堆
- 網(wǎng)絡(luò)有限脈沖響應(yīng)(Finite Impulse Response)；樅樹(shù)(fir-tree)；遠(yuǎn)紅外線(far infrared ray)
詞形變化
復(fù)數(shù)：firs
英漢雙解
1. | 樅；冷杉an evergreen forest tree with leaves like needles |
英漢解釋
n. | 2. 【植】冷杉屬 (Abies);樅;松科常綠樹(shù)(如黃杉等) |
abbr. | 1. (=food-irradiation reactor)食物輻射(殺菌)用反應(yīng)堆 |
英英解釋
例句
I glance up to see an iridescent-green hummingbird hunkered down on a fir branch, sheltered against the Tree's trunk.
我抬頭看見(jiàn)一只泛著虹彩的綠色蜂鳥(niǎo)棲息在一棵冷杉的枝上，藉樹(shù)干為它遮擋風(fēng)雨。
The FIR filter has the distinct advantages that it has linear phase characteristics and is always stable for numerical computations.
有限沖激響應(yīng)（FIR）濾波器的優(yōu)點(diǎn)是具有精確線性相位而且總是穩(wěn)定的。
"Look what is sticking to the ugly old fir-tree, " said the child, treading on the branches till they cracked under his boots.
「你看粘在這株丑陋的老樅樹(shù)上的是什么？」那孩子說(shuō)著就踐踏樹(shù)枝，直到它們在他的靴子底下發(fā)出霹哩拍啦的聲音。
I glance up to see an iridescent-green hummingbird hunkered down a fir branch, sheltered against the tree's trunk.
我抬起頭，瞥見(jiàn)一只綠瑩瑩的蜂鳥(niǎo)落在一棵毛櫸樹(shù)枝上，憑借樹(shù)干避著風(fēng)雨。
Our unit concentrated in the forest and for a few days we had slept on the fir-twigs by the campfire.
我們的單位集中在森林中，我們已經(jīng)在圍在冷杉枝點(diǎn)燃的篝火旁度過(guò)了好幾個(gè)夜晚。
The Christmas season has officially arrived at the White House in the form of a six-meter balsam fir tree.
歡慶圣誕的季節(jié)隨著一棵6米高的香脂冷杉樹(shù)的到來(lái)已經(jīng)正式在白宮拉開(kāi)序幕。
He came round the back of the fir tree, and nearly tumbled upon the top of his Cousin Peter.
他繞到杉樹(shù)的后面，差不多要見(jiàn)到他表兄弟彼得的頭頂了。
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.
我們轉(zhuǎn)了一會(huì)兒，當(dāng)逐漸適應(yīng)我的新鞋時(shí)，我開(kāi)始在杉樹(shù)林中搜尋新鮮的腳印。
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，還帶有分叉的鹿角叉在烤肉架子上，在兩樅樹(shù)的樹(shù)干間慢慢地轉(zhuǎn)著。
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，天氣變了，風(fēng)呼嘯著穿過(guò)斷壁邊的冷杉林。
The company's products are mainly made of paulownia, as well as fir, pine and other kind of timbers.
本公司產(chǎn)品以桐木為主，兼有衫木、松木和其它木材。
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.
這種樹(shù)最常見(jiàn)的就是松樹(shù)和冷杉，在北半球寒冷、陰暗的冬天那幾個(gè)月它們也能保持青綠。
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：新婚夫婦的房門(mén)兩旁放置兩棵小冷杉樹(shù)，直至新婚夫婦喜得貴子。
Christmas tree in general is sort of evergreen fir Bo made a symbol of life forever.
圣誕樹(shù)普通是用杉柏之類的常綠樹(shù)做成，意味生命長(zhǎng)存。
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.
她環(huán)顧了四周一下，便健步越過(guò)溝壑，跑向她的新家——一片由藍(lán)色云杉和道格拉斯冷杉組成的叢林。
FIR, Finite Impulse Response, filters are one of the primary types of filters used in Digital Signal Processing.
杉木、有限脈沖響應(yīng)、過(guò)濾器是一種主要類型的過(guò)濾器用于數(shù)字信號(hào)處理。
Chinese fir is one of good tree species during establishing anthropogenic vegetations on red earth in low hills.
杉木是低丘紅壤地區(qū)人工植被建造的優(yōu)良樹(shù)種。
The Fir tree was put into a large room. He looked around the room curiously. Soon after, many servants and young girls came in.
樅樹(shù)被安置在一個(gè)大房間里。他好奇地打量著房間里的一切。不久，許多仆人和小女孩們走了進(jìn)來(lái)。
The 20-foot Fraser fir from North Carolina will be set up in the Blue Room of the White House.
這個(gè)20英寸的北方香脂冷杉來(lái)自北卡羅萊納州，它將被安置在白宮的一間藍(lán)屋里。
I addressed the fir tree she loved and the wind moving in it. "Please keep her safe for me. "
我又和她所鐘愛(ài)的冷杉樹(shù)，以及那拂動(dòng)樹(shù)枝的寒風(fēng)說(shuō)道，“請(qǐng)替我照顧好她。”
Fir Christmas trees are generally evergreen cypress and the like made of a symbol of life forever.
圣誕樹(shù)一般是用杉柏之類的常綠樹(shù)做成，象征生命長(zhǎng)存。
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，新疆冷杉是一種很好的觀賞樹(shù)種，它的冠形優(yōu)美，樹(shù)干通直，針葉翠綠，果實(shí)呈橢圓形。
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 .
同樣在這里，如果杉樹(shù)砍伐的速率比種植樹(shù)木的速率快，并允許它們成熟生長(zhǎng)，則杉樹(shù)的積存量將下降。
through here , he said , looking penetratingly into the dense fir - trees , that were young and not more than half - grown.
他一邊說(shuō)，一邊尖銳地望著濃密的小杉樹(shù)叢中，這些小松樹(shù)還沒(méi)他們一半高。
Ukraine - Fir trees are decorated and parties enjoyed, with Christmas being a very popular time of the year.
烏克蘭-裝飾杉樹(shù)，許多人一起狂歡，這是一年中最熱鬧的時(shí)候。
A player placed a fir cone or stick against his ball to prevent the ball from moving when he moved some loose impediments .
當(dāng)一名球員移動(dòng)散置障礙物的時(shí)候，他放了一個(gè)冷杉果或一根小棍靠在球上，以免球移動(dòng)。
Merely, the branch of a fir tree that touched my lattice, as the blast wailed by, and rattled its dry cones against the panes!
只不過(guò)是在狂風(fēng)悲嘆而過(guò)時(shí)，一棵樅樹(shù)的枝子觸到了我的窗格，它的干果在玻璃窗面上碰得嘎嘎作響而已！
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，利用廣義逆矩陣的定義將小波分解算法中的IIR濾波器轉(zhuǎn)化成兩個(gè)級(jí)聯(lián)的FIR濾波器。
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.
文能源如同光線和5-25微米的，令人驚訝的遠(yuǎn)紅外線波長(zhǎng)相同波長(zhǎng)電力人類動(dòng)作。
One of the most popular is the evergreen tree. It is usually a pine or a fir.
其中最普遍的就是長(zhǎng)青樹(shù)，通常是松樹(shù)或是冷杉。
Genetic variations of growth traits, wood basic density and tracheid length of Chinese fir clones were investigated in this paper.
對(duì)杉木無(wú)性系生長(zhǎng)性狀、木材基本密度和管胞長(zhǎng)度的遺傳變異進(jìn)行了研究。
Both channel and echo response can be shortened at random with a single FIR equalizer by following the minimum mean square error rule.
使用最小均方誤差準(zhǔn)則，用一個(gè)FIR均衡器聯(lián)合縮短信息與回波沖激響應(yīng)，有效地縮短了回波和信道沖激響應(yīng)長(zhǎng)度。
Once in Mexico , they settle themselves in one of about fifteen places in a mountain forest filled with fir trees .
一旦進(jìn)入墨西哥，它們便會(huì)在大約十五分之一的冷杉樹(shù)林密集的大森林內(nèi)安頓下來(lái)。
The factory stocked a wide range of flammable materials, but had failed to train employees to use the portable fir extinguishers.
工廠存放了各種不同的易燃易爆材料，但是沒(méi)有對(duì)雇員進(jìn)行如何使用滅火器的培訓(xùn)。
Thus, FIR is easily absorbed and penetrates deep into the body and vibrates fluid, blood, organs, tissues and cells.
因此，遠(yuǎn)紅外線是容易被吸收，滲透到身體深處和振動(dòng)液，血液，器官，組織和細(xì)胞。
The distribution of proteins and amino acids were similar in the different parts of the two Nitraria species. but fir. . .
兩種白刺的蛋白質(zhì)和各氨基酸在各部位中含量分布相似，但因種的差異，第一限制性氨基酸稍有差別。
"Stepping into a grove of monarch-laden fir trees is like stepping into a kaleidoscope, " Hughes says.
“走進(jìn)一個(gè)停滿大花蝶的冷杉樹(shù)叢，就仿佛走進(jìn)了一個(gè)碩大的萬(wàn)花筒一般?！?c>休斯如是說(shuō)。
Bead board class the wall, with fir on the ceilings, lending warmth to the sitting area while contrasting with the steel-clad fireplace.
鍍有密封木板的墻，杉木制的天花板，來(lái)給客廳供暖，這種供暖方式與鋼壁爐存優(yōu)異。
The fir remains green all year and its needles are distributed evenly around the branch.
樅樹(shù)終年常綠，它的針狀葉均勻地長(zhǎng)在樹(shù)枝上。
Far Infrared Rays (FIR), a part of natural sunlight having the longest wavelength, cannot be seen with the naked eye.
遠(yuǎn)紅外線（區(qū)），自然有陽(yáng)光的波長(zhǎng)最長(zhǎng)的一部分，不能用肉眼看到。
