kernel background

kernel

/ˈkɜːnəl/ /ˈkɝnəl/

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noun

核心，要点，精髓

The core, center, or essence of an object or system.

Examples :

"the kernel of an argument"

争论的核心要点

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noun

果仁，内核

The central (usually edible) part of a nut, especially once the hard shell has been removed.

Examples :

"After cracking open the walnut, Sarah carefully extracted the kernel and ate it. "

莎拉打开核桃后，小心地取出里面的果仁吃了。

food plant part agriculture

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noun

谷粒, 子粒

A single seed or grain, especially of corn or wheat.

Examples :

"The farmer carefully planted each kernel of corn in the soil. "

农夫小心翼翼地把每一粒玉米种子都种进了土里。

seed plant food agriculture part biology

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noun

果核，内核

The stone of certain fruits, such as peaches or plums.

Examples :

"After eating the juicy plum, I carefully removed the kernel and threw it away. "

吃完多汁的李子后，我小心地取出果核扔掉了。

fruit plant seed

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noun

核心，内核，症结。

A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.

Examples :

"The doctor found a small kernel of hardened tissue in the patient's throat. "

医生在病人的喉咙里发现了一个小的硬化组织块，像是某种核心凝结物。

body medicine mass

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noun

内核, 核心。

The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.

Examples :

"The Linux kernel is open-source."

Linux 内核是开源的。

computing system technology electronics machine part technical structure internet device function organization service info

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noun

核心，内核

The core engine of any complex software system.

Examples :

"The operating system's kernel manages all the computer's basic functions. "

操作系统的内核管理着电脑所有的基本功能。

computing technology system structure machine technical part

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noun

核函数，积分核。

A function used to define an integral transform.

Examples :

"The Dirichlet kernel convolved with a function yields its Fourier series approximation."

狄利克雷核函数与一个函数进行卷积运算，可以得到它的傅里叶级数近似。

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noun

核，映射核。

A set of pairs of a mapping's domain which are mapped to the same value.

Examples :

"In Mrs. Davis's class, the kernel of the function that assigned grades to students based on test scores would include all students who received a B, because they were all mapped to the same grade. "

在戴维斯夫人的班上，根据考试成绩给学生评级的函数，其核 (映射核) 就包含了所有得B的学生，因为他们都被映射到了同一个等级。

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noun

核, 零空间

For a given function (especially a linear map between vector spaces), the set of elements in the domain which are mapped to zero; (formally) given f : X → Y, the set {x ∈ X : f(x) = 0}.

Examples :

"If a function is continuous then its kernel is a closed set."

如果一个函数是连续的，那么它的核（即被映射到零的元素的集合）是一个闭集。

math logic function computing science technical

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noun

核, 同等化子

For a category with zero morphisms: the equalizer of a given morphism and the zero morphism which is parallel to that given morphism.

Examples :

"In the category of vector spaces and linear transformations, the kernel of a linear transformation from one vector space to another is the set of vectors in the first vector space that are mapped to the zero vector in the second. "

在向量空间和线性变换的范畴中，一个从一个向量空间到另一个向量空间的线性变换的核 (同等化子) 就是第一个向量空间中被映射到第二个向量空间零向量的那些向量的集合。

math logic theory abstract

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noun

核心，核。

(fuzzy set theory) The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).

Examples :

"The kernel of students who received a perfect score on the exam was very small. "

在这次考试中，获得满分的学生核心圈子非常小。(Zài zhè cì kǎoshì zhōng, huòdé mǎnfēn de xuésheng héxīn quānzi fēicháng xiǎo.)

theory math computing logic

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noun

阴蒂, 阴核

The human clitoris.

Examples :

"My sister's anatomy textbook had a diagram of the clitoris, also known as the kernel. "

我妹妹的解剖学课本上有一张阴蒂的图，也就是俗称的“小核”。

anatomy body organ sex human physiology

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noun

原子实，（原子）内壳。

The nucleus and electrons of an atom excluding its valence electrons.

Examples :

"The scientist studied the atom's kernel to understand its fundamental structure. "

科学家研究了原子的原子实，以了解其基本结构。

physics chemistry part element