var background

var

/vɑːr/ /vɑr/

Illustration var - Image 1

noun

乏尔，无功伏安。

A unit of electrical power, in an AC circuit, equal to the power dissipated when 1 volt produces a current of 1 ampere.

Examples :

"The electrical system needed to support the new equipment required an additional 500 var of reactive power. "

为了支持新设备，电力系统需要额外增加500乏尔的无功功率。

energy physics electronics unit technical

Illustration var - Image 1

noun

变量，变数。

Something that is variable.

Examples :

"The biggest var in our family's budget this month was the unexpected car repair cost. "

这个月我们家预算里最大的变数就是意想不到的修车费。

math statistics science

Illustration var - Image 1

noun

变量，变数。

Something whose value may be dictated or discovered.

Examples :

"There are several variables to consider here."

这里有几个需要考虑的变量。

math science technology computing

Illustration var - Image 1

noun

变量，变数

A quantity that may assume any one of a set of values.

Examples :

"The var of possible exam scores is quite wide, ranging from 50 to 100. "

考试分数的变量范围相当大，从50分到100分不等。

math statistics

Illustration var - Image 1

noun

变量，变元

A symbol representing a variable.

Examples :

"In the math equation, "x + y = 5", "x" and "y" are each a var representing a number we don't know yet. "

在数学方程式 "x + y = 5" 中，"x" 和 "y" 各是一个变量，代表我们还不知道的数字。

computing technical math

Illustration var - Image 1

noun

变量，变数

A named memory location in which a program can store intermediate results and from which it can read them.

Examples :

"In the algebra problem, let's use "x" as a var to represent the unknown number of apples. "

在代数题中，我们用“x”作为一个变量来表示苹果的未知数量。

computing technology technical

Illustration var - Image 1

noun

变星，变量星。

A variable star.

Examples :

"Astronomers study var to learn more about the life cycle of stars and the vastness of the universe. "

天文学家研究变星，以更多地了解恒星的生命周期和宇宙的浩瀚。

Illustration var - Image 1

noun

变风，阵风

A shifting wind, or one that varies in force.

Examples :

"The sailor kept a close watch on the var, adjusting his sails as the wind direction changed. "

水手密切关注着变风，随着风向的变化调整着风帆。

weather nautical

Illustration var - Image 1

noun

静风带, 无风带

(in the plural) Those parts of the sea where a steady wind is not expected, especially the parts between the trade-wind belts.

Examples :

"Sailing ships often tried to avoid the vars because the unpredictable winds there could delay their journey for days. "

帆船通常试图避开静风带/无风带，因为那里变幻莫测的风可能会使它们的航程延误数天。

geography nautical ocean weather

Illustration var - Image 1

noun

变化，变动

The act of varying or the state of being variable.

Examples :

"The var in her daily schedule, due to unexpected meetings, makes it difficult to plan ahead. "

由于突如其来的会议，她每天的日程安排都充满了变数，很难提前计划。

condition quality nature

Illustration var - Image 1

noun

差异, 偏差。

A difference between what is expected and what is observed; deviation.

Examples :

"The project manager carefully analyzed the var between the planned budget and the actual expenses to understand where the money was spent. "

项目经理仔细分析了计划预算和实际支出之间的偏差，以了解资金的使用情况。

statistics math science

Illustration var - Image 1

noun

差异，分歧

The state of differing or being in conflict.

Examples :

"The var between their opinions on how to raise their children caused frequent arguments. "

他们育儿方式上的分歧导致了频繁的争吵。

war state politics government military

Illustration var - Image 1

noun

豁免，特别许可。

An official permit to do something that is ordinarily forbidden by regulations.

Examples :

"Because he lived so close to the school but outside the normal walking area, the student needed a var to ride his bike to school. "

因为他住的地方离学校很近，但不在规定的步行区域内，所以这个学生需要一份特别许可才能骑自行车上学。

Illustration var - Image 1

noun

差异，出入.

A discrepancy between two legal documents.

Examples :

"The lawyer pointed out a significant var between the original contract and the amended version, which could affect the outcome of the negotiation. "

律师指出，原始合同和修订版本之间存在显著的出入，这可能会影响谈判结果。

Illustration var - Image 1

noun

变更，更改，偏差。

A departure from a cause of action originally in a complaint.

Examples :

""After the judge ruled that the initial claim was too vague, the lawyer introduced a var, adding a more specific allegation of negligence to the complaint." "

在法官裁定最初的诉讼请求过于含糊之后，律师提出了一项变更，在诉状中增加了一项更具体的疏忽指控。

Illustration var - Image 1

noun

方差，变异数。

The second central moment in probability.

Examples :

"The var of the students' test scores showed how spread out the results were around the average. "

学生考试分数的方差显示了结果在平均分周围的分散程度。

statistics math theory number

Illustration var - Image 1

noun

自由度，变数。

The number of degrees of freedom in a system.

Examples :

"In this simple robot arm, the var is three, because it can move up/down, left/right, and rotate. "

在这个简单的机械臂中，其自由度（变数）为三，因为它能上下移动、左右移动以及旋转。

physics system math technical science

Illustration var - Image 1

noun

方差，变数。

Covariance and contravariance generally.

Examples :

"Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types."

根据类型构造器的变数 (var)，简单类型的子类型关系在相应的复杂类型中可能会被保留、颠倒或忽略。

statistics math computing science