国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標(biāo)網(wǎng)! 客服QQ:772084082 加入會員
當(dāng)前位置: 首頁 > 標(biāo)準(zhǔn)詳情頁

HD 60027-3:2004被替代

Letter Symbols To Be Used In Electrical Technology - Part 3: Logarithmic And Related Quantities, And Their Units

出版:European Committee for Standards - Electrical

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標(biāo)準(zhǔn)狀態(tài)變更提醒服務(wù)!

專家解讀視頻

基本信息
標(biāo)準(zhǔn)編號: HD 60027-3:2004
發(fā)布時(shí)間:2004/2/1 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:European Committee for Standards - Electrical
標(biāo)準(zhǔn)頁數(shù):37
標(biāo)準(zhǔn)簡介

Applies to logarithmic quantities and units. Quantities that can be expressed as the logarithm of a dimensionless quantity, such as the ratio of two physical quantities of the same kind, can be regarded and treated in different ways. In many cases, differences do not affect practical treatment.

標(biāo)準(zhǔn)備注

Supersedes HD 245.3 (02/2004) Supersedes UNE 21405-3. (02/2007)

本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)

UNE 21405-3:1994

HD 245.3:2001

等同采用的國際標(biāo)準(zhǔn)

PN HD 60027-3:2006 - Identical

NEN HD 60027-3:2004 - Identical

I.S. HD 60027-3S1 (Duplicate Record) - Identical

CEI 25-9 Ed. 1 (2005) - Identical

DIN IEC 60027-3 (2004-07) - Identical

IEC 60027-3 Ed. 3.0 - Identical