National Instruments sold more than 6 million channels of virtual instrumentation in 90 countries.

问题描述:

National Instruments sold more than 6 million channels of virtual instrumentation in 90 countries.
这句英文怎么翻译啊?尤其是里面的“channels”词应翻译成什么?

全国仪器在90个国家卖了超过6百万通过了很多种渠道
channels 渠道的意思