“effective center”的概念、定义、翻译、参考文献-科学参考

单词	effective center
释义	effective center [ǝ¦fek·tiv `sen·tǝr] ^{ENGINEERING ACOUSTICS} In a sonar projector, the point where lines coincident with the direction of propagation, as observed at different points some distance from the projector, apparently intersect. Also known as apparent source.
随便看	ebracteolate Ebriida ebullating-bed reactor ebulliometer ebulliometry ebullioscope ebullioscopic constant ebullism ebullition ecad ECB EC blank fire EC blank powder eccentric eccentric angle eccentric anomaly eccentric bit eccentric cam eccentric circles eccentric contraction eccentric gear eccentricity eccentric load eccentric orbit eccentric reducer

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。