វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Radiotelegraphy
ENGLISH MEANING
noun
1.
Telegraphy
using
the
radiant
energy
of
electrical
(
Hertzian
)
waves
;
wireless
telegraphy
; -- the
term
adopted
for
use
by the
Radiotelegraphic
Convention
of
1912
.