“fixed echo”的概念、定义、翻译、参考文献-科学参考

单词	fixed echo
释义	fixed echo [¦fikst `ek·ō] ^ELECTRONICS An echo indication that remains stationary on a radar plan-position indicator display, indicating the presence of a fixed target.
随便看	drawing drawing back drawing bristol drawing cloth drawing compound drawing die drawing in drawing of temper drawing out drawing paper drawing program drawing timber drawknife draw mark drawn finish drawn glass draw piece drawplate drawpoint draw radius draw ring drawsheet draw slate draw works dream

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