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semimajor
半长轴
常用释义
词性释义
半长轴
例句
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But
once
you
know
the
semimajor
axis
,
you
can
immediately
calculate
,
with
equation
five
, the
speed
of
the
sandwich
.
但是一旦你知道半轴长,你可以马上,用方程5计算出,三明治的速度。
Either
half
of the major
axis
is called a
semimajor
axis
.
长轴的每一半叫做半长轴。
So
that
's the
reason
why
this
semimajor
axis
is
indeed such
a
horrendous
number
.
这就是为什么半长轴是,如此大的数字的原因。
Can
we find
out
what the
semimajor
axis
is
?
能否算出,半轴长是多少?
A The
ellipse
has a
semimajor
axis
A
,
-
2a
perigee
to
apogee
-
- is 2a
.
椭圆轨道半长轴为,近地点到远地点。
Semimajor
axis
of
beam
cross-section
束流截面的长半轴