Word · Frequency #10828
metric
衡量标准；度量指标
核心释义
A standard or system used for measuring or evaluating something.
- 1.
衡量方法；定量测量手段
A way to measure something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).
- 2.
满足特定条件的函数,用于推广两点间距离的概念
A function which satisfies a particular set of formal conditions, created to generalize the notion of the distance between two points. Formally, a real-valued function d on M×M, where M is a set, is called a metric if (1) d(x,y)=0 if and only if x=y, (2) d(x,y)=d(y,x) for all pairs (x,y), and (3) d obeys the triangle inequality.
- 3.
度量张量
A metric tensor.
度量；距离函数；度规；度量张量；衡量方法；定量测量手段；满足特定条件的函数,用于推广两点间距离的概念；度量张量
用法In use
The company uses customer satisfaction as a key metric for success.
用法提示：这里 metric 用作名词，指衡量或评估的指标。
We need to track several metrics to evaluate the campaign's performance.
用法提示：metrics 是 metric 的复数形式，表示多个衡量标准。
One important metric in education is the graduation rate.
用法提示：metric 在此表示一个具体的量化标准。
the metric system
Most countries use the metric system for measurements.
大多数国家使用公制进行测量。
metric + noun
metric可作形容词修饰名词，表示公制的。
相关词与表达Connections
搭配Collocations
- key metric
- 关键指标
- Customer retention is a key metric for our subscription business.客户留存率是我们订阅业务的一个关键指标。
- performance metric
- 绩效指标
- The team tracks several performance metrics to measure progress.团队跟踪几项绩效指标来衡量进展。
- track a metric
- 跟踪一项指标
- We track this metric every week to spot trends early.我们每周跟踪这项指标，以便及早发现趋势。
- metric for success
- 衡量成功的指标
- Revenue growth is not the only metric for success.收入增长并不是衡量成功的唯一指标。
- sales metrics
学习提示Learner notes
记忆技巧Memory Tip
想象用一把‘米尺’（metre）去量成果：metric 就是度量指标、衡量标准。
语境与语域Context & Register
语域：mixed 常见场景：business reporting、data analysis、engineering、academic mathematics 作名词时，词义随学科有所不同：表示“衡量标准/指标”时多用于商务、数据分析和工程等专业场合，语体偏中性；在数学或物理学中表示“度量/度规”，则属于正式的学术用语。
语法说明Grammar Note
可数名词，常指衡量标准或指标
发音与拼写Pronunciation & Spelling
与 metric（/ˈmɛtrɪk/）真正押韵的是 symmetric、asymmetric、geometric、parametric，它们的重读部分共同为 /-ˈmɛtrɪk/。注意形近但发音不同的词：metrical 读作 /ˈmɛtrɪkəl/，多了一个音节；arithmetic 作形容词时读作 /ˌærɪθˈmɛtɪk/，缺少 /r/，二者都不与 metric 押韵。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.