系列, 范围, 谱, 光谱, 波谱, 射频频谱, 无线电信号频谱, 余象
[计] , 光谱, 频谱
n an ordered array of the components of an emission or wave
n a broad range of related objects or values or qualities or ideas or activities

考试类型:[托福]

spectra的用法和样例:

例句

用作名词(n.)
  1. Filter selection is made using inherent spectra.滤色镜的选择必须利用固有光谱。
  2. They could look at the spectra of the light the moons reflected.他们可以观察月亮反射的光的光谱。

词汇搭配

  • spectrum系列
  • line spectra[医] 线光谱
  • relaxation spectra松弛光谱
  • differential spectra差光谱
  • electronic spectra电子谱
  • phonon spectra声子谱
  • dielectric spectra介电谱
  • atomic spectra原子谱
  • difference spectra差光谱
  • mass spectra质谱
  • optical spectra光学光谱
  • absorption spectra吸收谱
  • ultraviolet spectra紫外光谱

206. The spinal cord operation脊髓手术 spectra-sponge There was a lecture given at a medical school on a spinal cord operation. The professor began: In order to have a speedy but safe operation, one must speculate on the entire spectrum of possib

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 胡敏托福词汇记单词

AS IT IS 2013-06-14 NASA Scientists Still Dream of, and Plan for, Human Travel to Mars From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agen

发表于:2019-01-12 / 阅读(59) / 评论(0) 分类 2013年VOA慢速英语(六)月

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分,如果连审题都有困难,那么建议先别急着考试,好好从

发表于:2019-01-17 / 阅读(101) / 评论(0) 分类 托福英语

在托福考试中,听力是一个很重要的环节,而在听力备考的过程中,词汇又是非常重要的。 在托福听力的备考过程中,我们细细翻一下TPO资料,如果发现连审题都有着困难,那么,这时候就建

发表于:2019-01-17 / 阅读(108) / 评论(0) 分类 托福英语

CAIRO, Aug. 12 (Xinhua) -- Egyptian President Mohamed Morsi appointed Sunday Abdel Fatah el Seisy as defense minister and chief of the supreme council of the armed forces, presidential spokesman Yasser Ali announced. El Seisy, 58, used to be the lead

发表于:2019-02-07 / 阅读(88) / 评论(0) 分类 英语新闻

From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are

发表于:2019-02-16 / 阅读(62) / 评论(0) 分类 英语语言学习

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(92) / 评论(0) 分类 经济学人科技系列

The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧,小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命

发表于:2019-02-16 / 阅读(124) / 评论(0) 分类 经济学人科技系列

Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧,小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能

发表于:2019-02-18 / 阅读(63) / 评论(0) 分类 经济学人综合

Combining Leavitt's cosmic yardstick with Vesto Slipher's handy red shifts, Edwin Hubble now began to measure selected points in space with a fresh eye. In 1923 he showed that a puff of distant gossamer in the Andromeda constellation known as M31 was

发表于:2019-02-25 / 阅读(112) / 评论(0) 分类 万物简史

话题类单词,术语 托福考试的lecture话题非常广泛,虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题,但事实上这四个话题已经能囊括任何专业知识点了,知识面再广的学

发表于:2019-02-26 / 阅读(119) / 评论(0) 分类 托福英语

很多考生托福听力薄弱,主要原因在于托福词汇量不够。 听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业,有大量的专有名词,一拿

发表于:2019-03-04 / 阅读(132) / 评论(0) 分类 托福英语
学英语单词
a couple of minutes
adarism
agathodaimons
agrometeorological observation
alpha-glucans
Amlwch
arteria temporalis anterior
arts and crafts college
best-ever
binary cycle
birdbrain
brotherston
by the holy poker
camphor wate
case loader
Castellnovo
check surface
chromceladonite
close the case
coherence optics
cornucopia sea anchor
cross toe backward pointing
cut-through switching
cylic compound
dilettanteism
discount on bond purchased
discounted
dry rigor
eAAT
ear-bendings
ecgfrith
euphaedusa sheridani
filler contact location
general internment
Greek alphabet
group bonus
herralde
heterocytotropic
hws
hylophobia
iluminator
inadmissibility of james-stein estimator
information and publicity department
it is rumored that...
Killinghall
klonopin
know what
lashbrook
lather booster
let something alone
Life is a span.
like a house afire
liquid crystal filter
local regime
marker radiobeacon
measuring comparator
Montg
multiple point recording potentiometer
net amount of operating loss
Novachord
nwosu
ogodei
oil bath air filter
Olshausen's operation
OpenGL ES
ordered perception
pandation
peba
private lebel products
projectile shuttle
proprotor
pulse-Doppler radar
radial gantry crane
renumeration
Rolle mean value theorem
Rothbardians
safe working voltage to ground
safety supervisor
salesclerks
signal replacer
special ambient test
speed-up ratio
stomach nerves
subtendinous bursa of infraspinatus muscle
suction valve unloader
tade-down
teachering
technological package
terminal velocity
tetalite (spartaite)
Texico
throat lozenge
train running indicator
trenches
unbalance vane pump
unparcelled
unsupported back span
user control panel
usucapio
vegetables in butter
vocal chords
worthy of belief