free product

Free product and tensor product of regular bands

正则带的自由积与张量积

We prove that there exists no expansive Z2 actions on graphs, but the free product Z Z can act on the closed interval expansively.

证明了图上不存在Z~2膨胀作用；闭区间上存在自由积ZZ的膨胀作用。

Subscriptions include free product upgrades and unlimited customer support for1 year.

订购包含免费产品升级和一年的无限制客户服务。

For instance, Gmail has a contact-tracking feature, which integrates with Picasa, its free product for managing digital photographs.

例如，gmail具备联络跟踪功能，这个功能与谷歌管理数字照片的免费产品picasa整合。

Viral Marketing is allowing people to giveaway and use your free product or service in order to multiply your marketing quickly over the internet.

病毒性营销是让人们用你的贱免费产品或服务，以倍数迅速在网上营销您。