Paper size

A size chart illustrating the ISO A series and a comparison with American letter and legal formats.

A size chart illustrating the ISO A series.

A size chart illustrating the ISO B series.

Many paper size standards conventions have existed at different times and in different countries. Today, there is one widespread international ISO standard (including A4, B3, C4, etc.) and another standard used mainly in North America (including letter, legal, ledger, etc.). The paper sizes affect writing paper, stationery, cards, and some printed documents. The standards also have related sizes for envelopes.

单词	Royal Octavo
释义	Royal Octavo 英语百科 Paper size Many paper size standards conventions have existed at different times and in different countries. Today, there is one widespread international ISO standard (including A4, B3, C4, etc.) and another standard used mainly in North America (including letter, legal, ledger, etc.). The paper sizes affect writing paper, stationery, cards, and some printed documents. The standards also have related sizes for envelopes.
随便看	Bromcresol green bromcresol green agar brom cresol purple Bromcresol purple bromcresol purple deoxycholate bromcresol purple desoxycholate agar bromcresol purple desoxycholate culture medium Bromcresol Violet bromcresyl purple bromcyan bromcymene bromdiethylacetylcarbamide bromdiethylacetylurea bromdimethoxyamphetamine Bromdiphenhydramine Bromebrate Sodium bromebrate soidium bromebric acid bromegrass bromelain, bromelin bromelain Bromelainy bromelein Bromeliaceae bromeliaceous

Royal Octavo

Paper size