“manual ringing”的概念、定义、翻译、参考文献-科学参考

单词	manual ringing
释义	manual ringing [`man·yǝ·wǝl `riŋ·iŋ] ^{COMMUNICATIONS} Ringing which is started by the manual operation of a key and continues only while the key is held in operation.
随便看	photographic barograph photographic emulsion photographic field photographic film photographic fixing photographic interpretation photographic magnitude photographic meteor photographic objective photographic photometry photographic plane photographic recording photographic sound recorder photographic sound reproducer photographic surveying photographic zenith tube shore fire-control party Shore hardness shore ice shore lead shoreline shoreline cycle shoreline-development ratio shoreline of depression shoreline of elevation

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。