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APA4ort.xyz Knowledge Graph. (2026). Research on signal processing of segment-grout defect in tunnel based on impact-echo method. Retrieved May 24, 2026, from https://4ort.xyz/entity/research-on-signal-processing-of-segment-grout-defect-in-tunnel-based-on-impact-echo-method
MLA“Research on signal processing of segment-grout defect in tunnel based on impact-echo method.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/research-on-signal-processing-of-segment-grout-defect-in-tunnel-based-on-impact-echo-method.
BibTeX@misc{4ortxyz_research-on-signal-processing-of-segment-grout-defect-in-tunnel-based-on-impact-echo-method_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Research on signal processing of segment-grout defect in tunnel based on impact-echo method}}, year = {2026}, url = {https://4ort.xyz/entity/research-on-signal-processing-of-segment-grout-defect-in-tunnel-based-on-impact-echo-method}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Research on signal processing of segment-grout defect in tunnel based on impact-echo method — https://4ort.xyz/entity/research-on-signal-processing-of-segment-grout-defect-in-tunnel-based-on-impact-echo-method (retrieved 2026-05-24)