delta 希臘字母 Δ；三角洲；（數學/科學）變化量｜字脈

組成It comes from the Greek letter name 'delta' (Δ), chosen for these meanings because of its triangular shape.

原始詞典資料36 筆記錄

以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

Deltaname/ˈdɛltə/

1
A state of Nigeria in the South South geopolitical zone. Capital: Asaba. Largest city: Warri.
2
A municipality in Central Macedonia, Greece.
3
A municipality of Minas Gerais, Brazil.
4
A municipality of British Columbia, Canada.
- The xʷəxʷilməxʷ (Indigenous Peoples) recognized how the meeting of the təməxʷ (land), stal̓əw̓ (river), and k̓ʷaƛ̓k̓ʷa (sea) could provide an abundance of access to seasonal resources, as well as provide a more permanent residence for the scəw̓aθən məsteyəxʷ (Tsawwassen Peoples). The features of this landscape are part of what makes Delta a beautiful place for all to enjoy today.
5
A village in Ontario, Canada.
6
A number of places in the United States:
7
A number of places in the United States:
8
A number of places in the United States:

另外 9 個記錄的用法

Deltanoun/ˈdɛltə/

1
The Delta variant of COVID-19.
- Delta is moderately resistant to vaccines, particularly in people who have received just a single dose.

deltanoun/ˈdɛltə/

1
The fourth letter of the modern Greek alphabet Δ, δ.
2
A landform at the mouth of a river where it empties into a body of water.
- Nile Delta
3
engineeringmathematicsnatural-sciencesThe symbol Δ; A change in a quantity, likely from "d" for "difference".
- ΔV - "delta vee"(change in velocity, used in rocketry and orbital mechanics)
4
businessfinanceThe rate of change in an option value with respect to the underlying asset's price.
5
chemistrynatural-sciencesphysical-sciencesA value in delta notation indicating the relative abundances of isotopes.
6
computingengineeringmathematicsThe set of differences between two versions of a file.
- When you update the file, the system will only save the deltas.
7
informalcomputingengineeringmathematicsA small but noticeable effect. Compare epsilon.
- This will slow the main code path down, but only by delta.
8
geographynatural-sciencessurveyingThe angle subtended at the center of a circular arc.

另外 5 個記錄的用法

9
A type of cargo bike that has one wheel in front and two in back.
10
businesselectrical-engineeringelectricityThe closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system.
- delta winding; delta connection; delta current
11
governmentmilitarypoliticsA military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.
12
astronomynatural-sciencesa star that is usually the fourth brightest of a constellation.
13
natural-sciencesphysical-sciencesphysicsone of four baryons consisting of up and down quarks with a combined spin of 3/2: Δ⁺⁺ (uuu), Δ⁺ (uud), Δ⁰ (udd), or Δ⁻ (ddd)

deltaverb/ˈdɛltə/

1
computingcryptographyengineeringTo calculate the differences between the characters in an enciphered text and the characters a fixed number of positions previous.
- Turingery worked on deltaed key to produce the deltaed contribution of the chi-wheels. Turing's discovery that delta-ing would reveal information otherwise hidden was essential to the developments that followed.
2
computingengineeringmathematicsTo compare two versions of the same file in order to determine where they differ (where a programmer has made edits).
- The primary function of this command is to delta the product version file (if it has been retrieved for edit). However, prior to deltaing the product version file, the work source tree is searched to verify that no other source files are still waiting to be deltaed.

這個拼法也被記錄為下列字的變化形：

資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。原文照列，未經改寫。