What is the difference between "is contained" and "has contained"?
The eckofarmer is contained in a 13-meter long module.
means either one of the following:
- that the eckofarmer is placed inside a 13-meter long module,
- that an organism (e.g., a pathogen) called "the eckofarmer" has been captured and placed in a 13-meter long module, in order to prevent it from escaping.
The eckofarmer has contained in a 13-meter long module.
is an ungrammatical sentence. A variation:
The eckofarmer has contained something in a 13-meter long module.
This means that "the eckofarmer" has captured something and imprisoned it in a 13-meter long module.
Yet another variation:
The eckofarmer has been contained in a 13-meter long module.
This means that the eckofarmer itself has been captured and placed in such a module.
Remember that the meanings of these sentences may change according to the definition of the subject. It might be useful to know what "the eckofarmer" is.