Complex sentence: For example, a MIL-STD can be expressed as MIL-STD- "X", in which the "X" is a set of letters and/or numbers which designate a specific standard.
Split into simpler sentences: For example, a MIL-STD can be expressed as MIL-STD- "X". In which the "X" is a set of letters and/or numbers which represent a specific standard.