To find out, scientists artificially aged modern paper to reveal the changes on the molecular level.

为了寻找答案，科学家人为地将现代的白纸老化以揭示其分子水平出现的变化。

youdao

The basic properties and characteristics of modern paper industry are analyzed on the basis of the capital, technology and enterprise scale efficiency etc.

本文从资金、技术、企业规模效益等方面分析了现代造纸工业的基本属性和特点。

youdao

But this isn't a long paper, so are you going to need to pick a specific area of pre-modern agriculture, like irrigation or food crops of ancient Greece.

但这不是一篇很长的论文，所以你要选定一个现代以前农业的特定领域，像是灌溉技术，或古希腊的粮食作物。

youdao

Modern paper-making began in China about two thousand years ago.

VOA: special.2009.07.06

Modern paper-making began in China about 2,000 years ago.

VOA: special.2009.01.26

Made from linen, 18th- and 19th-century paper ages well--far better than modern paper, which crumbles.

FORBES: Life: Collecting

Papyri, the forerunner of modern paper, is sheets of laminated material made from thin strips of the Cyprus Papyrus plant.

BBC: NEWS | UK | England | Manchester | Hunt for ancient medicine secrets

The world got rich by inventing cheap steel, electric lights, marine insurance, reinforced concrete, coffee shops, saw mills, newspapers, automatic looms, cheap paper, modern universities, the transistor, cheap porcelain, corporations, rolling mills, liberation for women, railways.

FORBES: Yes, Gawker, 'The Good Rich' Do Exist