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echo check

电子产品 ekkocheck; ekkokontrol; sløjfecheck
 英语 词库
echo check
缩写, 编程 echo test (ssn); loopback check (ssn); loop check (ssn); readback check (ssn)
echo checks
信息技术 Detects line errors by retransmitting data back to the sending device for comparison with the original transmission