Tonton video Morse Code Flashing Light gratis

(33.3 MB) Ditambahkan pada 21 Feb 2017 131 kali dimainkan Pendidikan Cahaya Keamanan Sains Tutorial
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Morse Code Flashing Light

Deskripsi animasi:

Video introduces the Morse characters L Q R Z F X Y as sent by flashing light by ships at sea, providing a number of drills to practice basic recognition.

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