PDF(10916 KB)
PDF(10916 KB)
PDF(10916 KB)
PDS型地震仪自动校钟同步装置研制
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Design of a Time Synchronization and Automatic Control Device for PDS Seismograph
({{custom_author.role_en}}), {{javascript:window.custom_author_en_index++;}}| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |