[航] 毫米波制导

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(54) / 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
abandonment of offshore platform
add dictionary
adipic acid
aerobacters
aetiologicai
alkamye
ancillaries to trade
aoul
Argentino, L.
Argus
arthropteris palisotii
beta quartz
bigheartedness
birth wort vine
blond moments
bullrush
carbon packing
cheese colo(u)r
Citellus
cobaltiferous
colorer hue
coming down
conceived
crew cuts
cylinda gold
deep slotting
dentino-enamel plane
die versteckten gestaltungsurteile
exchange busy hour
FLPP
good-time charlie
Gradgrind
guild-hall
hail as
have an a close eye upon
heads-up display
helium tube (helium valve)
helpdesker
high level cave
insect society
irregular fold
item of information
kamila
L. C. D. C.
latitudinal distribution
lilium longiflorum scabrum
Litsea balansae
Los Trancos Woods
magnetic dip pole
meat floss
memory load
mizzentop
muleback
nicen up
noncooperative game-theoretic model
normocholesterolaemic
nuetral hydrogen distribution
obwegeser-dal pont osteotomy
optic flow field
orbignya spesiosas
personal fouls
personally speaking
phase chief
phogogram
pigmented paravenous choriore-tinal atrophy
pilodius pugil
pinboard matrix
PRTH-C
quake-prone
quote for
radiation preservation of food
rate-meter
readable area
relative addressing mode
return on investment capital
roasted molybdenum oxide
root-time law
Rottumeroog
Rubriment
secondary propulsion system
secondary suspension
seemlihead
shipboard soldiers
significance digit
siphon bottles
specific information
stick water
stinky
stressedness
Sǒhǔnggang
thumbtack
to work like a dog
toedt
total starting time
transparent scheme
unconvertible currency
undeclared identifier
velocity dependent force
violence-prone
water-content indicator
way car
whitecraigs