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a heuristic [noun]
heuristic 常放在名词前作定语，强调该方法实用但不保证最优。
The team used a heuristic method to find a good enough solution.
团队采用了一种启发式方法，来找出一个足够好的解。
启发式的；探索式的
先理解核心含义，再看它在真实句子里的用法。
启发式的；探索式的
Using a practical method that is not guaranteed to be perfect or optimal, but is useful for finding a solution or guiding investigation.
The team used a heuristic method to find a good enough solution.
团队采用了一种启发式方法，来找出一个足够好的解。
采用不保证最优或完美的实用方法；要么不遵循或不源于任何理论,要么基于有意简化的理论。
That employs a practical method not guaranteed to be optimal or perfect; either not following or derived from any theory, or based on an advisedly oversimplified one.
That provides a useful, but not optimal, solution to a problem. Such algorithms are typically employed either because the only known algorithms that provide optimal solutions use too much time or resources, or else because there is no known algorithm that provides an optimal solution.
与使用指导调查的一般公式有关的
of or relating to or using a general formulation that serves to guide investigation
基于实验证明在学习、发现和解决问题中有用的方法或原则的价值进行推理。
That reasons from the value of a method or principle that has been shown by experimental investigation to be a useful aid in learning, discovery and problem-solving.
The teacher used a heuristic approach to help students discover the formula themselves.
老师使用启发式方法帮助学生自己发现公式。
Heuristic methods are often more flexible than strict algorithms in problem-solving.
在解决问题时，启发式方法通常比严格的算法更灵活。
The software employs a heuristic search to find the best route quickly.
该软件采用启发式搜索快速找到最佳路线。
heuristic 常放在名词前作定语，强调该方法实用但不保证最优。
The team used a heuristic method to find a good enough solution.
团队采用了一种启发式方法，来找出一个足够好的解。
heuristic 也可作表语，表示某规则或方法具有启发式性质。
This rule is heuristic and may not always give the best result.
这条规则是启发式的，可能不总是给出最佳结果。
后接 to + 动名词，表示“做某事的启发式方法”。
Developers often take a heuristic approach to debugging large programs.
开发人员通常采用启发式的方法来调试大型程序。
Not this
The program searches heuristic for a better route.
Use this
The program searches heuristically for a better route.
heuristic 是形容词，不能放在动词 search 后作状语；修饰动作需用副词 heuristically。
Not this
A heuristics method may not give the optimal answer.
Use this
A heuristic method may not give the optimal answer.
heuristics 是名词，不能像形容词那样修饰 method；应改用形容词 heuristic。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
启发式方法
The heuristic method produced a practical answer even though it was not the optimal one.
启发式方法给出了一个实用的答案，尽管并非最优答案。
启发式算法
This heuristic algorithm runs fast and gives a usable approximation.
这种启发式算法运行速度快，能给出可用的近似结果。
启发式评估
They used a heuristic evaluation to spot usability problems in the interface.
他们使用启发式评估来发现界面中的可用性问题。
启发式规则
A useful heuristic rule is to start with the simplest explanation.
一条有用的启发式规则是从最简单的解释开始。
启发式搜索
A heuristic search can find a route without exploring every possibility.
启发式搜索无需探索所有可能性就能找到一条路线。
启发式推理
Heuristic reasoning helps decide what to try first when data are incomplete.
在数据不完整时，启发式推理有助于决定先尝试什么。
Use heuristic naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记法：摸着石头过河——不保证最优，但先试实用方法找答案。
语域：formal 常见场景：academic writing、technical documentation、research papers 该词多用于学术或技术语境，表示‘启发式的、探索式的’，即依靠实践经验或简化规则来解决问题，但不保证最优。日常口语中较少使用，比较常见于计算机科学、心理学和教育学等领域的书面表达。
以上单词以 -istic 结尾，读作 /ɪstɪk/，与 heuristic（/hjʊˈrɪstɪk/）押韵。注意 heretic（/ˈhɛrətɪk/）拼写看似相近，但发音为 /ˈhɛrətɪk/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.