parameter
音标：
英音/ pəˈræmɪtə(r) / 美音/ pəˈræmɪtər /
听听基本释意：
外刊例句：
Users can search by title, opus number, composer, conductor, orchestra, ensemble, instrument, period and soloist, among other parameters.
用户可以按标题、作品编号、作曲家、指挥、乐团、合奏团、乐器、时期和独奏者等参数进行搜索。
—Washington Post
The researchers studied nearly 2,000 on-screen characters to see the types of occupation actors played and analysed the films over several parameters such as sexual stereotyping, consent and intimacy and harassment.
研究人员研究了近 2000 个银幕角色，了解职业演员扮演的类型，并根据性别刻板印象、同意、亲密和骚扰等多个参数分析了电影。
—BBC
When Republicans questioned those decisions, he said they were made within the “parameters” of the FBI’s procedures and he bristled at the accusation that the bureau is being harder on former President Trump.
当共和党人质疑这些决定时，他说这些决定是在联邦调查局程序的“参数”范围内做出的，他对联邦调查局对前总统特朗普更加严厉的指控感到愤怒。
—Washington Times
基本释意：
noun
a constant in the equation of a curve that can be varied to yield a family of similar curves
界限，范围；参数，变量；（统计）人口参数
同义词：
parametric quantity,argument
短释义：
Parameter comes from a combination of the Greek word para-, meaning “beside,” and metron, meaning “measure.” The natural world sets certain parameters, like gravity and time. In court, the law defines the parameters of legal behavior. Parameter and perimeter are similar, but a perimeter is the physical distance around an object, while a parameter can contain or define something either physically or abstractly.
参数是一个限制。在数学中，参数是方程中的常数，但参数不再仅仅用于数学：现在任何系统都可以具有定义其操作的参数。您可以为课堂辩论设置参数。
长释义：
Parameter comes from a combination of the Greek word para-, meaning “beside,” and metron, meaning “measure.” The natural world sets certain parameters, like gravity and time. In court, the law defines the parameters of legal behavior. Parameter and perimeter are similar, but a perimeter is the physical distance around an object, while a parameter can contain or define something either physically or abstractly.
参数来自希腊语 para-（意思是“旁边”）和 metron（意思是“测量”）的组合。自然世界设定了某些参数，例如重力和时间。在法庭上，法律定义了合法行为的参数。参数和周长相似，但周长是对象周围的物理距离，而参数可以物理或抽象地包含或定义某些内容。
文学例句：
Tally tweaked the eye-shape parameters, pulling the arch of the eyebrows down almost to normal.
塔利调整了眼睛形状参数，将眉毛拉低到几乎正常。
—Uglies by Scott Westerfeld
As a result, the parameters of her investigation are constantly shifting.
因此，她的调查参数不断变化。
—From Gabriel to Lucifer: A Cultural History of Angels by Valery Rees by Tom Holland
It was beyond his control, and though this was due to the natural parameters of his gift and no personal failing, it didn’t spare him Minya’s judgment.
这超出了他的控制范围，尽管这是由于他天赋的自然参数而并非个人失败，但这并没有免除明亚对他的判断。
—Strange the Dreamer by Laini Taylor
词源：
parameter (n.)1650s in geometry, in reference to conic sections, from Modern Latin parameter (1630s), from Greek para- “beside, subsidiary” (see para- (1)) + metron “measure” (from PIE root *me- (2) “to measure”).A geometry term until late 1920s when it began to be extended to “measurable factor which helps to define a particular system,” hence the common meaning (influenced by perimeter) of “boundary, limit, characteristic factor,” common from 1950s. Related: Parametric; parametrical.Related entries & more
下面是词源的翻译（机器翻译比较难翻，参考着看）
几何中的参数（n.）1650s，参考圆锥曲线，来自现代拉丁语参数（1630s），来自希腊语para-“旁边，附属”（参见第（1）段）+ Metron“测量”（来自PIE根* me- (2)“测量”）。直到 20 年代末为止，它都是一个几何术语，当时它开始扩展到“有助于定义特定系统的可测量因素”，因此“边界、极限”的常见含义（受周长影响） 、特征因素”，从 20 世纪 50 年代开始很常见。相关：参数化；参数化。相关条目及更多
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