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单词 principal axis
释义
principal axis
(once / 337695 pages)
n

WORD FAMILY
principal axis
USAGE EXAMPLES
This consists of a single pair of parallel faces perpendicular to the principal axis.
Various, Encyclopaedia Britannica, 11th Edit...(2012)
To determine this ratio we consider its value for a vertex on the principal axis.
Various, Encyclopaedia Britannica, 11th Edit...(2011)
Benzoic acid is pseudo-tetragonal, the principal axis being remarkably long; there is no cleavage at right angles to this axis.
Various, Encyclopaedia Britannica, 11th Edit...(2010)
n a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted
Syn|Hyper
optic axis
axis
a straight line through a body or figure that satisfies certain conditions
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更新时间:2025/2/24 5:27:12