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the metric system
Most countries use the metric system for measurements.
大多数国家使用公制进行测量。
衡量标准；度量指标
先理解核心含义，再看它在真实句子里的用法。
衡量标准；度量指标
A standard or system used for measuring or evaluating something.
Most countries use the metric system for measurements.
大多数国家使用公制进行测量。
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).
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.
度量张量
A metric tensor.
The company uses customer satisfaction as a key metric for success.
该公司将客户满意度作为衡量成功的关键指标。
We need to track several metrics to evaluate the campaign's performance.
我们需要跟踪几个指标来评估活动的表现。
One important metric in education is the graduation rate.
教育中一个重要的指标是毕业率。
Most countries use the metric system for measurements.
大多数国家使用公制进行测量。
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。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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。
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。
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。
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。
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。
美国动画《辛普森一家》中爷爷艾布·辛普森的经典台词，用夸张的方式抱怨公制单位，常被用来指代守旧、拒绝改革的幽默态度。
My grandpa likes to joke that the metric system is the tool of the devil; for him, the only metric that matters is miles and gallons.
我爷爷喜欢开玩笑说公制是魔鬼的工具；对他来说，唯一重要的衡量标准就是英里和加仑。
Use metric naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象用一把‘米尺’（metre）去量成果：metric 就是度量指标、衡量标准。
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。
可数名词，常指衡量标准或指标
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.