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单词 parallelogram
释义

parallelogram

/ˌparəˈlɛləɡram /
noun
A four-sided plane rectilinear figure with opposite sides parallel.In the deformation, the parallelograms always remain parallelograms, because their opposite sides remain equal, but the angles change....
  • Four congruent sides lie on two parallel lines, and pairs of these sides define parallelograms of equal area.
  • His vertical stripes have been put onto a slant, and whittled down to slender triangles or widened into parallelograms or pyramids.

Phrases

parallelogram of forces

Origin

Late 16th century: from French parallélogramme, via late Latin from Greek parallēlogrammon, from parallēlos 'alongside another' + grammē 'line'.

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更新时间:2024/11/12 10:15:31