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delta
- IPA[ˈdɛltə]
英式
- the fourth letter of the Greek alphabet (Δ, δ), transliterated as ‘d’.;a fourth-class mark given for an essay, examination paper, or other piece of work.
- variation of a variable or function.;a finite increment.
noun: delta, plural noun: deltas
- 釋義
- 相關詞
名詞
- 1. the fourth letter of the Greek alphabet (Δ, δ), transliterated as ‘d’.
- ▪ British a fourth-class mark given for an essay, examination paper, or other piece of work.
- ▪ the fourth in a series of items, categories, etc. delta hepatitis
- ▪ the fourth (usually fourth-brightest) star in a constellation Delta Cephei
- 2. a code word representing the letter D, used in radio communication.
- 3. a difference between two things or values there's a delta between perception and reality as long as the price delta is not too great, consumers can be sold on specs and future-proofing
- ▪ a change or set of changes made to a file or program, especially as part of an update to a later version this approach saves disk space by storing only data deltas updates will be delivered as delta updates instead of complete application downloads
symbol
- 1. variation of a variable or function.
- 2. a finite increment.
- 3. the discriminant of a quadratic equation.
- 4. declination.
- a triangular arrangement of electrical three-phase windings in series, each of the three wires ...
Oxford American Dictionary
- acceleration: four hundred knots of delta-v
Oxford American Dictionary
- a single triangular swept-back wing fitted on some jet aircraft.
Oxford Dictionary
- rays of low penetrative power consisting of slow electrons or other particles ejected from ...
Oxford American Dictionary
- electrical activity of the brain at a frequency of around 1–8 Hz, typical of sleep. The ...
Oxford Dictionary
- an elite American military force whose main responsibilities are rescue operations and special ...
Oxford Dictionary
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- IPA[ˈdeltə]
美式
- the fourth letter of the Greek alphabet (Δ, δ), transliterated as ‘d’.
- variation of a variable or function.
Oxford American Dictionary
- IPA[ˈdeltə]
美式
- a triangular tract of sediment deposited at the mouth of a river, typically where it diverges ... the Nile delta a huge delta system developed
Oxford American Dictionary
- IPA[ˈdɛltə]
英式
- a triangular tract of sediment deposited at the mouth of a river, typically where it diverges ... the Nile delta a huge delta system developed
Oxford Dictionary