| midplane |
the median plane of the body (or some part of the body)
출처: wordnet.princeton.edu/perl/webwn
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| midplane |
A line perpendicular to the midline that extends through the positive and negative axis points. This line divides the top and bottom halves of the ball on the bowler's axis of rotation.
출처: www.buddiesproshop.com/19/Bowling+Terms.htm
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