亚毫米波段

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(65) / 评论(0) 分类 双语有声阅读
学英语单词
acylous action
airbreather
allivalite
alphameric graphic display
analog correlator
andenine-9-beta-ribofuranoside
anisotropic crystal quartz
aubisque
Babayevo
back-to-basics
band screen
belvedered
bibliopolistic
blocking period
breaker picker
burnishing shell
burst center
charollaiss
chaucer
colocalize
colorable title
Controlled Substance Act
court sentence
crystal structure of element
Cunb.
dc radiometer
diplex generator
discretional administrative act
Djaru
Dobzhansky, Theodosius (Grigorievich)
door boit bracket
dried peeled prawn
drier gel
drill way
enchanced radiation
Equipment Mark Changed
euphthiracarus takahashii
fine-structure mesh
fire-protection green belt
flowerdale
fregosi
garance
golists
guardian and ward
Haematopinus tuberculatum
horkstows
hyperthyrotropinism
hypothymis azurea oberholseri
intrant
ion nitriding
J-8II
jammers tracked by azimuth crossings
Jhawāni
lateral pressure
linear hypothesis
Linen-yarn
linguistic scientists
melowe
methyluridine
mucously
naphthalene monosulfonic acid
organic decay
owl light
part load
pleacher
podangium
pony rolls
posterior labial nerve
potassium iodide starch test paper
predebugging
pro-
profusest
pucras
questors
rejecting metaphysics
repeated tension and compression tester
rhomboidal nucleus
ring structures
Sawel Mountain
Scots Guards
sealase
sectional aeronautical chart
Sgt.Maj.
single unit planter
socio-economic alignment
steeping liquor
streveler
supercharger speed
taiwara (taywarah)
test sequencing
thermoelectric pile
toggle-joint brake
total gross traffic
tourists novelty
transmission reverse speed shift fork
underfeed gas producer
velocity of belt
Vema Seamount
verstraete
X-ray tube assembly cooling curve
Yangtse River
zinc perchlorate