| PTT |
Radio system that requires the pressing and holding of a spring loaded button, lever, or switch to place a radio in transmit; the release of which causes the radio to return to the receive mode. The most common example is the push-to-talk microphone supplied with every radio which allows push-to-talk operation.
출처: www.qsl.net/ka1ddb/hrterminology.html
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| PTT |
Postal Telephone & Telegraph - the overseas guys - no matter where you may be
출처: www.mindspring.com/~twiggs/glossary.html
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| pternalgia |
Pain in the heel.
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| pterygium divulsor |
An instrument for separating the corneal portion of the pterygium.
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| pterygoid ridge |
A ridge at the angle of junction of the temporal and infratemporal surfaces of the greater wing of the sphenoid bone.
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