星际视差

AS IT IS 2014-02-23 World Digital Library Reaches 9,900 Items 世界数字图书馆达9900项 Hello and welcome to As It Is, from VOA Learning English! Im Steve Ember in Washington. The American space agency NASA launched its first Voyager spacecraft

发表于:2018-12-16 / 阅读(70) / 评论(0) 分类 2014年VOA慢速英语(三)月

SECTION 1: LISTENING TEST (30 minutes) Part A: Spot Dictation Directions: In this part of the test, you will hear a passage and read the same passage with blanks in it. Fill in each of the blanks with

发表于:2018-12-30 / 阅读(218) / 评论(0) 分类 高级口译真题及答案

Parallax is a phenomenon by which we can judge the distance to things just by looking at them. Astronomers use parallax to calculate the distance to stars. Do you need a gigantic computer-based observatory to use it? Not at all. Your finger will do n

发表于:2019-03-06 / 阅读(156) / 评论(0) 分类 英语时差8,16

Parallax 视差就是从有一定距离的两个点上观察同一个目标所产生的方向差异。从目标看两个点之间的夹角,叫做这两个点的视差,两点之间的距离称作基线。只要知道视差角度和基线长度,就

发表于:2019-03-09 / 阅读(135) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acorifoline
acoustic coloration
acoustic-microwave radar
Acrochaetium
ALIPH
alstonilidine
anencephalic
antarctic peninsulas
antibacterially
approval-seekings
Aqua-Mephyton
austerfields
ballet music
baudelaires
bioecosystem
boil the ocean
brightness-temperature
Bucarpolate
buffer action of soil
c.i.d
Cambourgh
Cervatos de la Cueza
cetyl trimethylamine bromide
chain rail
coastal fishery
concealing colour
contemporaneous unconformity
context-dependence
corniness
Dean, Mt.
delayed silicosis
density independent pixel
differential linearity error
Dophin
duplicate standard
eglintons
ensheathing cell
extravagance, extravagancy
facsimile-signal level
farming statistics
ficus sycomoruss
flatpack
follow sb's cue
Fort Randolph
fund for individual consumption
generic access
gieseckite
glycsphosphomutase
hallyday
hemicyanine
Hkedaung
hospitalises
hypertrophic cirrhosis
in one's favour
information concerning submarines
isoamyl-triethoxy-silicane
jochwinde
killer language
landscape agate
larese
Likimi
looking on
Lungwort
M-stripe
m. orbicularis oris
magotty bay bean
make one's move
manganese bromide
Martley
mass detonate
modular approach
multiple cartridges
multipurpose minicamera
natural back ground
non value bill
office procedure
once-through boiler automatic control system
order wire phone trunk
ordering off
penuary
periodic mean annual intermediate yield
pneumocystograph
portions out
pteridologists
pulse radar transmitter
replier
reproductives
research network
self-contradictory
skjerane
sore-throat due to fire of deficiency type
strain spectrum
thrombocytopoietic factor
trichocoma paradoxa
tritura
tumor growth
unidimensional chromatography
venerupin
visnafylline
wave generator
wishing caps
workable reserve