نستكمل اليوم باقي كلمات الوحدة الاولي
vocabulary
| advantages | مزايا |
|---|---|
| an oscillator | جهاز مذبذب |
| antenna tower | برج هوائي |
| as a result of | نتيجة ل |
| broadcasting stations | محطات اذاعة |
| candidates | المتقدمين لوظائف |
| clear | واضح |
| considelably | كثرا |
| contain | يحتوي علي |
| convert into | يحول الي |
| coverage | غطاء |
| data | بيانات |
| dead line | الموعد النهائي |
| department | قسم |
| detector | جهاز تحري |
| disadvantages | عيوب |
| distance | مسافة |
| electric current | تيار كهربي |
| except for | ماعدا |
| extract | يستخلص |
| fibre optic cable | كابل الالياف البصرية |
| frequency | ذبذبة |
| location | موقع |
| main function | وظيفة اساسية |
| maximum | الحد الاقصي |
| minimum | الحد الادني |
| modulate | يعدل |
| orbit | يدور |
| receive | يستلم |
| sine wav | موجات جيبية |
| system | نظام |
| via = through | عن طريق |
Important facts
satellite radito
the radio signals are digital
the signals are transmitted from a satellite in space
the mucic is as good as a cd
the signals never fades as you traver away
it carries hundreds of channels per signal
it covers a large area
mucic and sports programmes are sent by fibre-optic cable to the earth station