“echo area”的概念、定义、翻译、参考文献-科学参考

单词	echo area
释义	echo area [`ek´ō ´er·ē·ǝ] ^{ELECTROMAGNETISM} In radar, the area of a fictitious perfect reflector of electromagnetic waves that would reflect the same amount of energy back to the radar as the actual target. Also known as radar cross section; target cross section.
随便看	throttling throttling bar throttling calorimeter throttling groove throttling rod throttling valve through arch through bridge through-feed centerless grinding through glacier throughput through repeater throughstone through street through-the-thickness braiding through transmission through valley throughway through weld throw throw-away device throwing throwing power throwout throw-out spiral

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。