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ellipse

英 [?'l?ps] 美[?'l?ps]
  • n. [數(shù)] 橢圓形,[數(shù)] 橢圓

TEM4擴(kuò)展詞匯

詞態(tài)變化


復(fù)數(shù):?ellipses;

中文詞源


ellipse 橢圓

el-, 進(jìn)入,同en-. -lipse, 留下,詞源同eclipse, leave. 即缺了一塊的,后且做數(shù)學(xué)術(shù)語(yǔ)。

英文詞源


ellipse
ellipse: [18] Greek élleipsis meant literally ‘defect, failure’. It was a derivative of elleípein, literally ‘leave in’, hence ‘leave behind, leave out, fall short, fail’, a compound verb formed from the prefix en- ‘in’ and leípein ‘leave’ (which is related to English loan and relinquish). It was borrowed into English in the 17th century as ellipsis in the grammatical sense ‘omission of a word or words’, but its mathematical use for an ‘oval’ (enshrined in the form ellipse, borrowed via French ellipse and Latin ellīpsis) comes from the notion that a square drawn on lines passing vertically and laterally through the centre of an ellipse ‘falls short’ of the entire length of the lateral line.
=> loan, relinquish
ellipse (n.)
1753, from French ellipse (17c.), from Latin ellipsis "ellipse," also, "a falling short, deficit," from Greek elleipsis (see ellipsis). So called because the conic section of the cutting plane makes a smaller angle with the base than does the side of the cone, hence, a "falling short." The Greek word was first applied by Apollonius of Perga (3c. B.C.E.). to the curve which previously had been called the section of the acute-angled cone, but the word earlier had been technically applied to a rectangle one of whose sides coincides with a part of a given line (Euclid, VI. 27).

雙語(yǔ)例句


1. The Earth orbits in an ellipse.
地球軌道呈橢圓形。

來自柯林斯例句

2. The moon doesn't describe a circle round the earth, but rather an ellipse.
月球繞地球運(yùn)行的軌道不是渾圓的, 而是橢圓的.

來自辭典例句

3. Send the ellipse behind all the artwork and set it to Multiply.
發(fā)送橢圓背后的所有作品,并將其設(shè)置為倍增.

來自互聯(lián)網(wǎng)

4. Of , relating to, or having the shape of an ellipse.
葉子的形狀;橢圓的形狀.

來自互聯(lián)網(wǎng)

5. The ellipse cone grinding and taper grinding is compared.
并且對(duì)橢圓錐面刃磨與圓錐面刃磨進(jìn)行了比較.

來自互聯(lián)網(wǎng)

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