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convex Lens
凸透镜:至少有一个凸面的透镜
常用释义
词性释义
凸透镜:至少有一个凸面的透镜,使通过它的光线可以聚焦。
例句
全部
A
convex
lens
can
be
used
to
concentrate
the
sun
's
ray
and
thus
burn
a
hole
in
a
piece
of
paper
.
凸透镜可以用来聚集太阳光,将一张纸片烧穿一个洞。
Just
AS
a
double
convex
lens
enlarges
,
so
a
double
concave
lens
reduces
.
正象双凸透镜可以放大那样,双凹透镜也可以缩小。
Light
,
The Speed of
Light
,
Normal Line
,
Reflection
,
Refraction
,
Plane
Mirror
,
Concave
-
Convex
Mirror
,
Concave
-
Convex
Lens
.
光线,光速,法线,反射,折射,平面镜,凹凸面镜,凹凸透镜。
In
yet
another
embodiment
the
sheath
includes
at
its
distal
end a
convex
lens
for
use
by
a
camera
in
obtaining
images
of
said
body cavity
.
而在另一个实施例中,鞘套在其远端包括凸透镜用于由摄像头使用以获得所述体腔的图像。
She
polished
the
convex
lens
of
her
telescope
.
她擦拭着望远镜的凸透镜
The
parallel
light
rays
of the prnicipal
axis
that
approach
a
convex
lens
can
converge
to
the focal
point
.
只有在近轴光线条件下,平行光通过凸透镜才可近似聚焦于一点。
A
convex
lens
is
thicker
at its
center
than
its
periphery
.
It
causes
rays
to
converge
.
凸透镜中心部分比周围要厚,它使光线会聚。
A
convex
lens
causes
rays
to
converge
on
a
single
point
,
the
focal point
.
会聚透镜使光线会聚于一点,即焦点。
Two
kinds
of
convex
lens
which
make
parallel
light
rays
converge
to the
focal
point
are
given
.
本文给出两种能使平行光严格聚焦于一点的凸透镜。
Style apically
5
-
fissured
.
Capsule
(
immature
)
obconical
,
4-5
mm
,
glabrous
,
apex
slightly
projected
and
resembling
a
convex
lens
.
蒴果(未发育完全)倒锥状,4-5毫米,无毛,先端稍凸出和象的一只凸透镜。
同义词
[光]凸透镜
converging lens
convex glass