“回声”的概念、定义、翻译、参考文献-科学参考

单词	回声
释义	回声 Physics 光学、声学声学 echo回声＞声学＞音频声学＞释义 echo回声 echo回波^†，回声^† repercussion①回声 ②反光 Biology echo回声
随便看	Plutarch crater Plutarch of Chaeroneia Plutarchos Plutarch (约46—120) pluteus plutino Pluto pluto Pluto exploration plutoid Pluto-Kuiper Belt flyby Pluto-Kuiper Express pluton Plutonian satellite plutonium plutonium-238 plutonium-239 plutonium-240 plutonium-241 plutonium-242 plutonium alloy plutonium and uranium recovery by extraction process plutonium and uranium reduction extraction process plutonium-beryllium neutron source plutonium dioxide

科学参考收录了854744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。