“sweep-frequency reflectometer”的概念、定义、翻译、参考文献-科学参考

单词	sweep-frequency reflectometer
释义	sweep-frequency reflectometer [`swēp ¦frē·kwǝn·sē ´rē´flek`täm·ǝd·ǝr] ^{ELECTROMAGNETISM} A reflectometer that measures standing-wave ratio and insertion loss in decibels over a wide range of frequencies, in either single- or sweep-frequency operation.
随便看	helium spectrometer helium stars Helix helix helix angle helix antenna helix-destabilizing protein Helix Nebula helix tube hellandite Hellas hellbender Heller's test Hellespontus Hellman-Feynman theorem Hell-Volhard-Zelinsky reaction helm Helmert's formula helmet helmet-mounted display helmholtz Helmholtz coils Helmholtz double layer Helmholtz equation Helmholtz flow

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。