當代設計演化論 二手書

物竞数据库

物竞化学品数据库(http://www.basechem.org)是由上海物竞化工科技有限公司开发并维护的综合性公共化学品数据平台。 这是一款全中文的化学品综合数据库。支持中文、英文、系统名、CAS号、分类关键词等多种查询方式,50000多种化学品的基础信息、物性、表征图谱、安全、毒理、用途、合成方...

Twiddle

If you enjoy games like Breakout or Pong, try Twiddle! It's a whole new level of fun compared to traditional paddle-ball games! Thanks to everyone who...

ModelSpeed

ModelSpeed is a model railroad speedometer. Ever wonder how fast your model trains are running in scale speed? Now you can find out. Speed is calculat...

The Expert

An action-packed game that will keep you riveted. If you like soccer (but even if you don’t), you’ll be completely hooked right from the beginning. Th...