Yes, communication means has been tested. No problem.

是的，通信手段已经测试。没有问题。

youdao

Television is an effective means of communication.

电视是一种有效的通信手段。

《牛津词典》

Some sign languages are very sophisticated means of communication.

一些手势语是非常复杂的交流方式。

《柯林斯英汉双解大词典》

The North says it will stop using maritime shortwave radio frequencies with the South and cut off other means of emergency communication.

VOA: standard.2010.05.27

So the meaning in life will be furthered by means of this kind of communication that takes place through responsivity.

因此生命的意义可以通过这种,相互交流而深化,而交流的途径就是反应。

麻省理工公开课 - 电影哲学课程节选

The same means of communication that were used to speak out are being used by the government as a way of shutting down the opposition.

VOA: standard.2010.06.15

Like all his classmates, Insoo's main means of communication with his buddies is text messaging.

CNN: A day in the (digital) life of a South Korean boy

So M-Farm is a low-tech app, relying on text messaging as its principal means of communication.

BBC: How much will technology boom change Kenya?

The capital, N'djamena, was shut down and the mobile-phone network, the mutineers' main means of communication, was disconnected.

ECONOMIST: Sudan