gammas background

gammas

/ˈɡæməz/

Illustration gammas - Image 1

noun

伽马，第三个希腊字母。

The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ).

Examples :

"In his Greek alphabet practice, the student wrote betas before the gammas and deltas after. "

在他的希腊字母练习中，学生先写了贝塔，再写伽马，然后写德尔塔。

language linguistics word sign

Illustration gammas - Image 1

noun

伽玛函数

The Gamma function, symbolized by Γ.

Examples :

"The textbook includes several different gammas, each representing a specific version of the Gamma function. "

这本教科书包含了好几种不同的伽玛函数，每一种都代表伽玛函数的一个特定形式。

Illustration gammas - Image 1

noun

欧拉-马斯刻若尼常数

A constant approximately equal to 0.55721566, symbolized by γ (also known as the Euler–Mascheroni constant).

Examples :

"In the complex mathematical equation, the student carefully substituted the appropriate value for the two gammas. "

在这个复杂的数学方程式中，学生仔细地将两个欧拉-马斯刻若尼常数的相应值代入了。

Illustration gammas - Image 1

noun

伽马，纳特斯拉

A non-SI unit of measure of magnetic flux density, equal to 1 nT.

Examples :

"The sensitive magnetometer detected changes in the Earth's magnetic field as small as a few gammas. "

这款灵敏的磁力仪能够探测到地球磁场低至几个伽马（纳特斯拉）的变化。

physics energy technical unit science

Illustration gammas - Image 1

noun

伽马值，灰度系数。

(industries) slope of log-log plot of video input and luminance output.

Examples :

"To ensure accurate color reproduction across different screens, engineers carefully measure the gammas of each display during manufacturing. "

为了确保不同屏幕上的色彩还原准确，工程师们在生产过程中会仔细测量每个显示器的伽马值（灰度系数）。

technology electronics media physics technical industry

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noun

伽玛值, Gamma值

A second-order measure of derivative price sensitivity, expressed as the rate of change in delta with respect to changes in the underlying asset price.

Examples :

""The trader monitored the option portfolio's gammas closely, knowing that large gammas meant the delta would change rapidly if the underlying stock price moved." "

交易员密切监控期权投资组合的伽玛值，因为他们知道伽玛值越大，标的股票价格变动时，delta的变化速度就越快。

business finance math

Illustration gammas - Image 1

noun

伽马值, 伽玛校正值

A nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems.

Examples :

"When editing family photos, adjusting the gammas brightened the darker areas without washing out the highlights. "

编辑家庭照片时，调整伽玛值让较暗的区域更亮，而没有使高光部分过曝发白。

technology electronics physics computing signal media science