“下界”的概念、定义、翻译、参考文献-科学参考

单词	下界
释义	下界 lower bound
随便看	pto driven hammer mill pto-driven hay loader pto driven manure crane pto-driven rotary plow pto-driven rotor pto-driven seeder pto-driven tipping device pto-driven trailer sprayer pto lever ptomaine ptomainemia ptomaine poisoning ptomaines ptomaintokism pto manure spreader ptomatine ptomatinuria ptomatopsia ptomatopsy ptomatropine pto operating lever P-to-P p to p pto power pto protective device

科学参考收录了1248194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。