ionosphere 音标拼音: [ɑɪj'ɑnəsfir] [ɑɪ'ɑnəsfir]
n . 电离层
电离层
ionosphere n 1 :
the outer region of the Earth '
s atmosphere ;
contains a high concentration of free electrons ionosphere \
ionosphere \
n .
the outer region of the earth '
s atmosphere ,
beyond which is the {
exosphere };
it contains a high concentration of free electrons and ions ,
and extends from about 50 miles to about 250 miles above the earth '
s surface ,
but the height shows daily and seasonal variation ,
and the composition of the particles in the ionosphere is also affected by events such as solar flares .
[
WordNet 1 .
5 PJC ]
45 Moby Thesaurus words for "
ionosphere ":
Appleton layer ,
CAT ,
F layer ,
Heaviside -
Kennelly layer ,
Van Allen belt ,
aerospace ,
aerosphere ,
air hole ,
air pocket ,
airspace ,
belt ,
bump ,
ceiling ,
chemosphere ,
crosswind ,
empty space ,
favorable wind ,
fog ,
front ,
head wind ,
high -
pressure area ,
hole ,
isothermal region ,
jetstream ,
layer ,
low -
pressure area ,
lower atmosphere ,
outer atmosphere ,
overcast ,
photosphere ,
pocket ,
roughness ,
soup ,
space ,
stratosphere ,
stratum ,
substratosphere ,
tail wind ,
tropopause ,
troposphere ,
trough ,
turbulence ,
upper atmosphere ,
visibility ,
visibility zero
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