大相对孔径物镜

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(441) / 评论(0) 分类 2018年VOA慢速英语(二)月

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(50) / 评论(0) 分类 2011年VOA慢速英语(六)月

Play VideoHuawei's latest smartphone, boasting a three lens, AI-powered camera has been officially launched in France. The new P20 Pro device follows in the footsteps of competitors Apple and Samsung's latest releases by focusing on the camera's capa

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 2018CRI中国国际广播电台

Roger's job requires him to take pictures of apartment interiors. A wide-angle lens is best for taking these pictures. Roger bought a new camera with a wide-angle lens. He took the camera home. He read the manual. The manual said nothing about how to

发表于:2018-12-26 / 阅读(63) / 评论(0) 分类 英文短篇故事(纽约)

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(295) / 评论(0) 分类 2018年VOA慢速英语(三)月

For The Aperture January And Further Travels In The Near East Raised your hands by the Nile and held your case to inquire of the tiles and strings born by those kings who fought their way for the aperture. Size and makes and bazaars where two in ten

发表于:2019-02-02 / 阅读(89) / 评论(0) 分类 音乐咖啡厅
学英语单词
address counter program register
after castle
al-Khowarizmi
arc characteristic
arithmetic circuitry
Arrifes
beasley-murray
bfpos
biomagnifies
body-centred cube
books room
carwell
cash crisis
ceruleo-
chosismes
chucking automatic
circulant convolution
circular rule
closed circuit cooler for electric machine
desalinizing reactor
diazo-ketones
double exponential distribution
dropwise condensation
dyspoiesis
endotoxaemia
enteric bacterium
firing equipment
floppy disk prototype system
for dandy
funnel ring
futerer
gaspt
gastric notch
giant fern
glunicate
gonostoma elongatum
graphitic pig iron
haptics
high-frequency ceramic element
HTML document
hypokinemia
i-keled
j'aurais
job creation
laser soldering
laudrups
lava platform
learner
lepadella patella
Lithocarpus xizangensis
loading rate
lube oil cooler element
malacological morphology
marginal beam
mateiest
medial preoptic area (mpoa)
metarhizium anisopliae
myofibre
North Sydney
northeastwards
octyls
of the first order
oiled paper condenser
paraffin waxes
peach pitter
perfect repair
phenytoin gingival hyperplasia
pine away
platinammines
pot liquor
process for drying tobacco
Pseudodystonia
rejuvenile
remote sensing sounding
reversible screw
RIVS
satisfiability problem
saviouress
screen resolution
seismic stress drop
self-forgetfulnesses
semantics meta-language
shung
sima (sima sphere)
socaloin
sonya
spot against forward
stem plan
stimulated elastic restoration
stockbrokerages
Strafford, 1st Earl of (Thomas Wentworth)
superloads
tape reader puncher
temple roller
tertiary hydrogen
traction meter
User Principal Name
vapers
versets
vibration at fundamental frequency
welan
Wigner distribution function