音标:[sɜ:'kʌmfərentə] ;
测周器, 圆周罗盘, 地质罗盘
n. A surveying instrument, for taking horizontal
angles and bearings; a surveyor's compass. It consists of a compass
whose needle plays over a circle graduated to 360�, and of a horizontal
brass bar at the ends of which are standards with narrow slits for
sighting, supported on a tripod by a ball and socket joint.
n. A graduated wheel for measuring tires; a tire
circle.

With the development of science, human life has changed tremendously. People living in the 18th or 19th centuries would never imagine the advanced household appliances we are now able to enjoy. Every aspect of our lives for instance, in the field of

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学英语单词
aardvarks
Adams I.
aerodromics
air cargo agent
anginophobia
anterior polar cataract
approvedness
argumentum
arm(anti-radiation missile)
assembly system
bath metal
bromine fluoride
bulgins
cholera enterotoxin
clarionet
cleviss
collimating point
communication parameters
computer-assisted teaching
connectibility
copiable
Cottage Grove
customer evaluation
cut a caper upon nothing
data link service definition
deele r. (dale )
Delphinium malacophyllum
dolichochamaecranial
e-business intelligence
eorne
eurya hebeclados l.k.ling
exchange rate mechanism
expanded-metal partition
factory overhead allocation to department
false croup
felt area
finished item stock location
fuel sampler
full indicator movement
fundamental harmonic
Gauguin, Paul
genus hatioras
governed speed
guaiacol carbonate kefir
Gyrolab
heat-reflecting surface
high pressure separator
hlavac
hygeist
hyperhydropexy
indiscriminatively
ink cell
insurance underwriting
Internet broadcasting
kabeya
lateral condyle
lexical analysis part
linearizable
long-run average water flow
manufacture technology
marginal propensity to produce importables
Masihi
mattress pad
mica talc
movable reservation system
nagware
No.of grade
noncomposed
orating
otospongio-sis
overhead door operator
oxygen deficiency
paired-end
photosurvey
pit membrane
protein extract
queen consort
rat-race circuit
release procedure
residual risk
Revillagigedo, Is.
rhetorize
rig boom
rotary rectifier
ruby pin
sewardite
shit one's pants
snubfin dolphin
state language
submerged spur dike
synovy
teratembiid
the Red Cross
toxamin
tryacle
Tuener
unangry
Uranosandbergite
Vaginae synoviales digitorum manus
warm white
water glad
wooden cross arm