Last Updated：2025/12/04
Sentence
高高度の研究飛行では、空気密度の低下と放射線の増加に対応するため、約5万フィートから外気圏の縁に至る大気上層に入る際には計器を異なる方法で較正する必要がある。
Quizzes for review
During high-altitude research flights, instruments must be calibrated differently when entering the space equivalent zone to account for decreased air density and increased radiation.
See correct answer
During high-altitude research flights, instruments must be calibrated differently when entering the space equivalent zone to account for decreased air density and increased radiation.
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Related words
space equivalent zone
Noun
uncountable
(aviation)
The
top
of
the
Earth's
atmosphere,
from
50,000
ft
(the
start
of
the
stratosphere)
and
up
(to
the
edge
of
the
exosphere
at
1000
mi);
where
the
effects
of
exposure
to
the
environment
on
human
life
is
similar
to
that
of
exposure
to
space;
it
being
physiologically
incompatible
with
human
life.
Japanese Meaning
（航空用語）地球の大気上層部、具体的には50,000フィート（成層圏の開始点）から1000マイル（外気圏の端）にかけての領域で、環境にさらされた際の人体への影響が宇宙空間に近い領域
English - English
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