Home›Electronic test equipment›同差檢測🌐中文EnglishDeutschالعربيةفارسی中文日本語EntityQ1626181· pop 5· linked from 35 articles同差檢測sensor implementation techniqueAvailable in 5 languagesDeutschالعربيةCatalanفارسیvia Wikidata sitelinks · CC0ConnectionsheterodyneEntityradioEntityCategoriesElectronic test equipmentNonlinear opticsWaves