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
accumulated temperature?
adjustment of typical figures
aidest
arbitrary-movement articulator
arctica
area mean rainfall
automatic recording gage
bacterial deterioration
Beecheria
bilboism
biscutate
blekher
blunt square file
bount water
brachypyramid
Brumpt's white mycetoma
bulk unitization charges
bungie
calcium laevulinate
campiest
Char.
clinopinacoid
criterion of convergence
cutter-and-reamer grinder
cyberslut
cycle race
dactinomycin
deposition of dental calculus
diabase structure
diametral clearance
direct power
doublechecking
dried peppermint herb
dropping ass
edward is
Einstein's coefficient
elucubration
entrance-exit console
exhaust venilator
exobasidium gracile (shirai) sydow.
extrafamilial
fabric softeners
flameflowers
formal language processor
formedon
fosfo-escorodite (phosphoescorodite)
Gasselternijeveen
gluceptate
grid drum
hexagonous
imbedded temperature detector
in - house development
inactive storage
invariant Markov process
James Tobin
lipidaemic
measuring diaphragm
meetable
messels
metal borohydride
mid-mountain
more than enough
Morioris
nocons
order cycle period
periodic functions
Populus qiongdaoensis
postheat temperature
programme logic
ptychotropism
pulsator clarifier
put one's hand up
quick lime
Richelieu
river tortuosity
schoenfield
seabies
shine as
sithe
Southern British English
straightenings
strepticemia
string shot
tail block
taxing guidance system (tgs)
thermoatomic process
throat of threading die
tool diameter compensation or offset
traveling wheel
trial hole
trichomycosis flava nigra
turning vane in corner
two additional recessive genes
unclips
undecenedicarboxylic acid
unidirectional bus
upper tangential arc
vampiness
venoser
Vinnie
winch pawl
with the warrant of a good conscience