毫米尺度

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(66) / 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(67) / 评论(0) 分类 双语有声阅读
学英语单词
Adong
affectual
apparent density
Aspidieae
athl.
batching by volume
blood spavins
breaking-points
buncos
calliopiids
canvas buckle
carry on
cellulose casing
cervical malformation
chimopelagic
commutator group
compacting by electrical impulse
compressive elastic limit
coolant leakage
corrosion prevention by galvanic polarization
delectable
diagram of equilibrium
disorganized
dispoint
dolore
emergency lagoon
engraft in
entozoom
external riser
extractum carnis
fairishly
fixed beacon guidance
floating funds
foot valve equalizer
gasoline knocking
helicentric coordinate
House, Edward Mandell
ice sky
initialising
insipient
khoya
labour union
late-period
lead vanadate
leather-bounds
ligg. intercuneiformia interossea
limescale
lindworms
lobodont
lowse
lube
mackintoshite
maximum differential pressure
maximum suction
megazine
methylglucamine
multiple covalent bond
musk-duck
nevus mollusciformis
Newfoundlandic
off-the-shelf company
on hands and knees
Pan-American Broadcasting Company
phascolosoma japonicum
Physeteroidea
Port Victoria
primary power distribution
protona
pruin
receiver of wrecks
record description entry format
refined tar
resonance stabilization energy
reticulate sphere
retraction morphism
routine word
rufous-capped antshrike
shallots
shaving slicker
sign of disease
Sir John Douglas Cockcroft
smart clock
smile in migration
soap mould
spirit of law
spodic cambisols
standard platinum rhodium thermocouple
standard rolling twist equipment
support centre
tacit understanding
taxillus lonicerifolius lonicerifolius
time out for repair
to credit
toggle joints
under-clay
unleakable
valence state electron affinity
vena anastomotica
weight-height formula
well-meaning
Windygates
Zopilote, Pta.