“principal part”的概念、定义、翻译、参考文献-科学参考

单词	principal part
释义	principal part [`prin·sǝ·pǝl `pärt] ^MATHEMATICS The principal part of an analytic function f(z) defined in an annulus about a point z₀ is the sum of terms in its Laurent expansion about z₀ with negative powers of (z - z₀).
随便看	quartic equation quartic surd quartile quartile deviation quartz quartzarenite quartz basalt quartz-bearing diorite quartz claim quartz clock quartz crystal quartz-crystal filter quartz-crystal resonator quartz delay line quartz diorite quartz fiber quartz-fiber dosimeter quartz-fiber electroscope quartz-fiber manometer quartz-flooded limestone quartz graywacke quartz horizontal magnetometer quartz-iodine lamp quartzite quartzitic sandstone

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。