Word · Frequency #10828
metric
衡量标准；度量指标
A standard or system used for measuring or evaluating something.
- 1.
A way to measure something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).
衡量方法；定量测量手段
- 2.
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.
满足特定条件的函数,用于推广两点间距离的概念
- 3.
A metric tensor.
度量张量
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
In use
The company uses customer satisfaction as a key metric for success.
We need to track several metrics to evaluate the campaign's performance.
One important metric in education is the graduation rate.
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。
The recipe requires metric units of weight.
这个食谱需要公制重量单位。
Connections
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
- 销售指标
- The report compares sales metrics across regions.该报告比较了各地区的销售指标。
Pop culture & quotes
Learner notes
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。
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。
Grammar Note
可数名词，常指衡量标准或指标
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。
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。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.