力学视差

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(185) / 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(158) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
abbreviation of keyword
Akaltyn
anal sec
asbestos-reinforced thermosetting compound
avihu
bird's-eye chilli
blue ironstone
Blukang, Sungai
boothes
brown broad
Chad
Chiloé, Prov.de
cis-1, 4-polyisoprene
cloisture
Coeloglossum viride
comparison sheets
cristall
cutting plane method
ddis
declaration of war
dismain
EFL
ejection testing
enmine
enthusi
fibre concrete
Forestiera neomexicana
generalized velocity of mechanism
geohistories
great-grand
grop
Hassi Mameche
Hopkins-Cole reaction
horseshoer
impulse shopping
incarial bone
inertia test
ion floatation method
lance-jack
land-management
light reddish chestnut
macrotrichias
Malyy Zhemchuzhnyy, Ostrov
Mar del Plata
mecistoscelis scirtetoides
melodic minor
metallurgical treatment
milli henry
modering
multi-purpose vice
naphtyl formate
Nawāshahr
Nazarovskiy Rayon
nickel silicon carbide coating
nmb
omnient
parlour maid
payment of the price
pc/tv
perimercurian
Phenylbutylcarbinol
piecemeal
pin-feed device
placentiform
plague of locust
pressurization gas connection
primary fission frag-ment
pvc-coated
Raelists
Rajada
rear position lamp
refined juice
refrangible
rest easy
revolvency
rock edicts
rota-
Sam Houston State University
seeback effect
Sequatchie R.
spheroidal earth
stand sb a drink
stenochromy
strain-resistance effect
stream-line flow
sub value
subject analytic
sukis
switch selling
system utility
Teiwalon
terrain camera
time-average method
total luminous flux
Tremellaceae
tulyn
upper dead center
vampering
voiceovering
water sampling and temperature reading room
Worodougou, Région du
zavalla