That is, the system is enclosed by

That is, the system is enclosed by an adiabatic
boundary and its temperature is independent of that of the surroundings. The
boundary need not be rigid, so that configuration work can be done on or by the
system.

Hasil (Bahasa Indonesia) 2:

Artinya, sistem tertutup oleh adiabatic
batas dan suhunya independen dari lingkungan. The
batas tidak perlu kaku, sehingga pekerjaan konfigurasi dapat dilakukan pada atau oleh
sistem.