mathematical constant
collocation数学常数
Pi is a well-known mathematical constant.
π是一个著名的数学常数。
不变的事物；恒常的事物
先理解核心含义，再看它在真实句子里的用法。
不变的事物；恒常的事物
something that stays the same; a permanent or invariable thing
In physics, the speed of light is a fundamental constant.
在物理学中，光速是一个基本常数。
永久或不变的事物。
That which is permanent or invariable.
常量
a quantity that does not vary
在特定讨论或运算中保持固定值的量。
A quantity that remains at a fixed value throughout a given discussion or operation.
常数
a number representing a quantity assumed to have a fixed value in a specified mathematical context
The value of pi is a mathematical constant used in many formulas.
圆周率 pi 是一个在许多公式中使用的数学常数。
AI contextual example
When you solve this equation, remember to treat the number 5 as a constant.
解这个方程时，记得将数字5视为常数。
AI contextual example
the velocity of light is a constant
光速是一个常数。
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数学常数
Pi is a well-known mathematical constant.
π是一个著名的数学常数。
物理常量
The speed of light is a physical constant.
光速是一个物理常量。
宇宙学常数
Einstein introduced the cosmological constant into his equations.
爱因斯坦在他的方程中引入了宇宙学常数。
平衡常数
The equilibrium constant depends on temperature.
平衡常数取决于温度。
劲度系数
Hooke's law relates force to the spring constant.
胡克定律将力与劲度系数联系起来。
时间常数
The time constant determines how quickly the circuit responds.
时间常数决定了电路的响应速度。
唯一不变的就是变化；指世事无常，只有变化本身是永恒的。
Change is the only constant in life.
变化是生命中唯一不变的东西。
某人生活中始终不变的人或事物；一直存在的固定因素。
Her grandmother's cooking was a constant in her childhood.
外婆做的菜是她童年生活中始终不变的一部分。
生活中唯一不变的就是变化。（常被引为古希腊哲学家赫拉克利特的名言）
In business, the only constant is change, so companies must adapt quickly.
在商业中，唯一不变的就是变化，所以公司必须快速适应。
Use constant naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象指针永远停在12点的时钟：constant（常量）就是那个无论怎么算都固定不变的值。
语域：mixed 常见场景：mathematics、scientific writing、programming、formal/literary writing constant 作名词时通常见于数学、科学或编程等专业语境，指“常数、常量”；也在正式或哲理性表述中表示“不变的事物”。日常口语中用名词较少，更常用形容词 constant，因此语域随语境在正式与专业之间变化，需按上下文判断。
常与'fundamental constant'等搭配使用
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.