| Surface of revolution | ������ ��� |
| Surge protection | ������ �� |
| Switch Board Manager | 郎������� ���� |
| Switch mode power supply | 郎������ �颰 |
| Switch, console | ����� 郎������ |
| Switch, toggle | ������� 郎������ |
| Switched network | 郎����� ���� |
| Switching algebra | 郎������ ��������� |
| Switching circuit | 郎����� ������� |
| Switching theory | 郎������ ������ |
| Symbol table | ����좴 ������ |
| Symbolic address | ����좴 ���� |
| Symbolic coding | ����좴� ������ |
| Symbolic device | ����좴� ���� |
| Symbolic editor | ����좴� ��� |
| Symbolic I/O assignment | ����좴 �/�� ���� |
| Symbolic language | ����좴 ���� |
| Symbolic logic | ����좴� ���� |
| Symbolic name | ����좴� ���� |
| Symbolic programming | ����좴 ������� | |