“W-hierarchy”的概念、定义、翻译、参考文献-科学参考

单词	W-hierarchy
释义	W-hierarchy Encyclopedia 理学参数算法释 W-hierarchyW-谱系对参数计算问题（见参数算法）的固定参数难解性进行分类的一套复杂性类。
随便看	laser display device laser distance measuring system laser Doppler anemometer laser Doppler anemometry laser-Doppler anemometry laser Doppler blood flowmeter laser Doppler flowmeter laser Doppler microscope laser Doppler velocimeter laser Doppler velocimetry laser doppler velocimetry laser Doppler vibrometer laser drilling laser drilling technology laser dye laser efficiency laser endoscopy laser energy laser energy meter laser engraving Laser engraving technology in plate making laser enhanced ionization spectrometry laser-enhanced ionization spectrometry laser excitation laser excited atomic fluorescence spectrometry

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。