亚毫米波耦合器

This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 Scientific American(一)月

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(69) / 评论(0) 分类 Scientific American(七)月

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2016年VOA慢速英语(十)月

Got ballistics back on the Holder murder. 霍尔德凶案的弹道分析出来了 They pulled two 7.62 millimeter bullets out of him. 他们取出了他身上两枚7.62毫米的子弹 According to the stippling and size of the entry wound, 根据伤口

发表于:2019-01-29 / 阅读(35) / 评论(0) 分类 绿箭侠第一季

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(66) / 评论(0) 分类 双语有声阅读
学英语单词
activity product
ALIMD
alpha-particle
an apple for the teacher
aperture of frontal sinus
asset deflation
autourotherapy
Bagnoli del Trigno
bechelli
biostitute
Borrelia gallinarum
Burnt L.
cardiotrophotherapy
cherry birch
chlorguanide
cielito
clearance order
compressor rotor
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copperized lead
creepage discharge
crystalline chloral
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decision variables
degraded solonetz
disintoxicate
downcomer leg
DX (distant exchange)
economic slack
El Amatillo
endotheliochorial
enrichment device
exfetation
external wall
facial features
fibrous weld
filamentous bacterial growth
fume-removal equipment
gas distribution adjustment
hydroxytyramine,dopamine
integral part
intention list
involute internal gear pair with small teeth difference
javaness batik prints
keep a civil tongue
krups
Laceby
leucogram
license taxes
light emitting area
limit of accuracy
linear positioner
local asphyxia
lubricating oil still
magneto-thermoelectric effect
Maihuenia
marsileas
measured up
metallographs
motor-drive lathe
mustangs
myriametric
non-equilibrium polycondensation
Nopala
not care a nut
nuclear-powered ballistic missile submarine
optophon
otherly challenged
parallel poll
pater nalis tically
petilius
phylum Aschelminthes
pneumonia B virus
Pouzay
preops
purees
PVZ
radial development
Robertinacea
sandals
sclero-irirtis
secondary voltage rise time
septotomy
sigma delta chi
silage preservative
simonists
simorhynchotus antennarius
somatologist
Spencer Ra.
symbiotic nova
tenger
tetraphenylbutadiene
Toniolo
transportage
twin-wire former
unexceptional
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webbe
wemay
wereful
West Sider
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