| Subject | English | Persian (Farsi) |
| math. | asymptotically efficient estimator | برآوردگر مجانباً کارآ |
| math. | efficient estimator | برآوردگر کارآ |
| comp., MS | Efficient File Storage | ذخیرۀ کافی فایل (A storage method in which a file is split into pieces that are stored and updated separately, and streamed together when a user requests the file) |