亚毫米波 FETs

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
a process approach
able bodied farm worker
anchored radio sonobuoy
annish
art-movie
automatic exposure device
Bedaux plan
bide on/upon
Blastomyces dermatitidis
blood cell studies
Bourdon, Rés.du
celluloid paint
CHBF
conscience-smitten
Cortland County
Dendrobium crumenatum
derandomises
die opening
digital signal analyzer
double bevel butt joint
durafours
egg cozy
ethnophilic
express transport protocol
few group constant
FOFL
follicular dendritic cells
greenwich fair (london)
groundwater province
groupifications
Gurupa
Gymnanthes remota
hand harrow
high-frequency stage
hypersentences
ibility
ifars
induction torque
inter-bank lending
intercontinental transit exchange
internal shaft
Katangi
kishkes
kiungchow
l'autonomie
Lockbourne Air Force Base
lung dart
magnitude statistics
malacophylla
Markov condition
mass callisthenic
mesiolinguo-occlusal
mGal, mgal
mixed flow storage pump
modulation demodulator unit
nauka
Needham, John
neophobia
non-world
nonangular
normal market value
ocularium
open turn
orcharded
overtoe
Oxaldin
phosphoform
pied a terre
pillou
Platonic Academy
point finite refinement
pre-describe
precision landing
relaxed-strain
resin phase
rigid flask
rigid spacecraft dynamics
rumours
Salies-du-Salat
self-force of electron
Sharpe ratio
solar zone furnace
soot-and-whitewash
sound proofing
Soyer, Moses
speak the same language
sure-thing
svsiscses-s
tabular cross-tratification
thermal constitutive equation
threephase half wave rectifying circuit
Thrixspermum pricei
to cop
to the eye of
tow ring layout
under-rope haulage
undue strain
upcasting
Vampyromorpha
vandenburgh
waferscale
wing moment