| Subject | English | Arabic |
| comp., MS | reference field | حقل مرجعي (A field that is associated with another field so that their properties always match. If the properties in one field are changed, the properties in the other field are updated automatically) |
| antenn., opt. | reference surface tolerance field | مجال تفاوت سطح المرجع |
| radio | reference usable field strength | شدة اسميّة لمجال قابل للإستخدام |