preferred number

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

(industrial design) A standard value used as a guideline for product dimensions such as lengths, diameters, and volumes, to provide a useful range of sizes etc. and to promote compatibility between different objects.

このボタンはなに？

The engineer selected a preferred number to standardize the bolt diameters across the product line.

詳細

意味（1）

(industrial design) A standard value used as a guideline for product dimensions such as lengths, diameters, and volumes, to provide a useful range of sizes etc. and to promote compatibility between different objects.

preferred numbers （ 複数形 ）