As rapid progress in theory and experiment of quantum cryptography, point-to-point quantum key distribution (QKD) systems are already commercial available.

随着量子密码学在理论和实验上的飞速进展，点对点的量子密钥分发系统已经可以商用。

youdao

Commercial debonders are also available.

商业剥离器也可用。

youdao

Both open source and commercial tools are available.

开放源码的工具和商业工具都可以使用。

youdao

Also, considerable differences exist in composition, doses and biological activity of the commercial preparations available.

CNN: Could I become dependent on probiotics?

Lewis said he did not subscribe to the view that Khan needed to turn pro to make the most of the commercial opportunities available.

BBC: SPORT | Boxing | ABA set to make Khan offer

Why should Choice, a general entertainment channel, be a public-service channel, while Arena, the arts channel, is commercial and so available only to subscribers?

ECONOMIST: The BBC