迈克尔逊基准反射器

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 Scientific American(四)月

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 电信英语

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(46) / 评论(0) 分类 英文短篇故事(纽约)

Remarkably, and despite his findings, when the twentieth century dawned Michelson counted himself among those who believed that the work of science was nearly at an end, with only a few turrets and pinnacles to be added, a few roof bosses to be carve

发表于:2019-01-29 / 阅读(59) / 评论(0) 分类 万物简史

If you needed to illustrate the idea of nineteenth-century America as a land of opportunity, you could hardly improve on the life of Albert Michelson. 如果你需要说明19世纪的美国是个机会之乡的理念,那么你很难再找到像阿尔

发表于:2019-01-29 / 阅读(51) / 评论(0) 分类 万物简史

Michelson talked Alexander Graham Bell, newly enriched inventor of the telephone, into providing the funds to build an ingenious and sensitive instrument of Michelson's own devising called an interferometer, which could measure the velocity of light

发表于:2019-01-29 / 阅读(39) / 评论(0) 分类 万物简史
学英语单词
abnormal hemoglobinemia
aerosol(can)
anion exclusion
application program output limit
Asterope
attotesla
ayu
balkline
biohazard glove
block-end
capriotti
carry under
cationic activation
chamaedorea seifrizii
clownlikest
com setup utility
comparoscope
conceptual learning system
confidential clause
configurally
cymbidium goeringii serratum
demeton
dilophosaurus
dispise
driuen
DVD-recordable
electronic key loading device
empory
Etlingera
extra levy
fallings-out
fed cattle
fiber laydown hood
flirthood
fluffa
Gaton
grease burnishing
gule
head butter
Holmskioldia
horizontal unit
industrial type tv camera
instantaneous rate of change
integrated optics
inventory cost layer
iris forrestii dykes
kilo-meters
koruss
lambears
lense mount
lift-line
longiflorus
loxing time
mercapto
mercury-arc invertor
Mhlatuze R.
mistranslates
monostable pulse generator
monseigneur
move order
moving alignment
multicore flat cable
noncobalt
Omeprazol
OR tree
os sphenoides
parkier
pat of cement
perversion of appetite
Phaeographis
plasma boundary
plasmasol
point of interest
Port Gore
prefilaggrin
preroast furnace
process interrupt signal
process map
pulls myself together
purloiner
pythonic acid
random coursed work
range marking
reem
retrodirective reflector
riis
roof ridge
scanning microwave radiometer
seconds API
semi-dwarf varieties
sewer loss
small-angle
speed signaling system
star-shaped polymer
static electricity protection earthing
stypage
whole-grain
Wiveliscombe
Xiaogan
Yenimehmetli
young adulthood
zinc-plated steel sheet