邊的餘弦定理 的英文怎麼說

中文拼音 [biāndexiándìng]
邊的餘弦定理 英文
cosine law for sides
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ同「余」Ⅰ-Ⅳ1. Ⅱ名詞(姓氏) a surname
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  1. Abstract : basing on the introduction of brim - vector and face - vector, by means of analogy, the paper popularizes the cosine - theorem from flat - triangle to vacuum - polygon and arbitrary - polyhedron, concludes a series of generalized cosine - theorems which have symmetric and conformable form, and presents short and strict proof

    文摘:在引入矢量及面矢量概念基礎上,以類比作為手段,對進行由平面三角形到空間多形乃至任意多面體一系列推廣,得出了形式對稱一致一組廣義,並給出了其簡捷嚴謹證明。
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