邊的餘弦定理 的英文怎麼說
中文拼音 [biāndeyúxiándìnglǐ]
邊的餘弦定理
英文
cosine law for sides- 邊 : 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 餘 : Ⅰ同「余」Ⅰ-Ⅳ1. Ⅱ名詞(姓氏) a surname
- 定 : 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...
- 理 : 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...
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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:在引入邊矢量及面矢量概念的基礎上,以類比作為手段,對餘弦定理進行由平面三角形到空間多邊形乃至任意多面體的一系列推廣,得出了形式對稱一致的一組廣義餘弦定理,並給出了其簡捷嚴謹的證明。
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