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ISO + noun
ISO 常作定语，修饰 standard、certification 等名词。
ISO standards are used worldwide.
ISO标准在全世界范围内使用。
国际标准化组织
先理解核心含义，再看它在真实句子里的用法。
国际标准化组织
International Organization for Standardization
ISO standards are used worldwide.
ISO标准在全世界范围内使用。
ISO 9660文件系统的磁盘映像(如CD或DVD)。
A disk image of an ISO 9660 file system (such as a CD or DVD).
基于ISO标准的胶片感光度或亮度度量。
A measure of film sensitivity or brightness, derived from the ISO standard.
The ISO has published a new standard for data security.
国际标准化组织发布了一项新的数据安全标准。
To sell electronics in many countries, you need ISO certification.
要在许多国家销售电子产品，你需要通过国际标准化组织的认证。
Our factory plans to adopt the latest ISO quality guidelines next year.
我们工厂计划明年采用最新的国际标准化组织质量指南。
ISO 常作定语，修饰 standard、certification 等名词。
ISO standards are used worldwide.
ISO标准在全世界范围内使用。
ISO 后接数字编号特指某项具体标准，如 ISO 9001。
The company is applying for ISO 9001 certification.
该公司正在申请ISO 9001认证。
the ISO 指该组织本身；具体是国际标准化组织还是国际糖组织需根据语境判断。
The ISO published new guidelines.
国际标准化组织发布了新指南。
Not this
This is a ISO standard.
Use this
This is an ISO standard.
ISO 虽以辅音字母 I 开头，但读音是 /ˈaɪsəʊ/，以元音音素开头，所以不定冠词用 an。
Not this
The company obtained ISO certificate for its new factory.
Use this
The company obtained ISO certification for its new factory.
表示‘通过/取得ISO认证’这一资格时，应用不可数名词 certification；certificate 是可数名词，指具体的证书。中文的‘认证’不宜直译成 certificate。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
ISO标准（国际标准化组织发布的标准）
Many products must meet ISO standards before they can be exported.
许多产品必须符合ISO标准才能出口。
ISO认证
The company received ISO certification for its quality management.
这家公司因其质量管理获得了ISO认证。
ISO 9001认证（国际质量管理体系标准）
Our factory is ISO 9001 certified.
我们的工厂通过了ISO 9001认证。
Use ISO naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 iso 读成 eye-so：想象一只眼睛（eye）在“搜”索国际标准，同时记住它也代表国际糖组织。
语域：formal 常见场景：international standards、sugar trade ISO 通常指国际标准化组织，多用于正式或技术语境；在国际贸易领域也可指国际糖组织。使用时通常直接使用缩写，具体含义需根据上下文判断。
The words 'isolate' and 'isotope' begin with the same /ˈaɪsə/ sound as 'iso', but they do not rhyme with it. Lookalikes ending in -iso, such as 'miso' (/ˈmiːsəʊ/) and 'proviso' (/prəˈvaɪzəʊ/), sound quite different, and 'isosceles' (aɪˈsɒsəliːz) also differs. No common English word rhymes with 'iso'.
Dictionary facts from ECDICT, WIKTIONARY.