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persistence check (PCM data; a bit-by-bit test of receive data) | |||
doubling test; duplicate test | |||
make-up examination; re-examination; second examination | |||
periodic test (Andrey Truhachev) | |||
repeat test; requalification test; retest; in-service inspection; reexamination | |||
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repeated trials; replicated trials |
Wiederholungsprüfung: 2 phrases in 2 subjects |
Communications | 1 |
Metallurgy | 1 |