“harmless-depth theory”的概念、定义、翻译、参考文献-科学参考

单词	harmless-depth theory
释义	harmless-depth theory [`härm·lǝs ¦depth ´thē·ǝ·rē] ^{MINING ENGINEERING} Formerly, the hypothesis that there was a certain depth below which mining could be carried on without risk of damage to the surface.
随便看	clock drive clocked flip-flop clocked logic clock frequency clock method clock motor clock oscillator clock paradox clock pulses clock rate clock signals clock star clock time clock track clock watch clockwork clod clog snow cloister vault cloithoid clone clonorchiasis Clonothrix clonus close

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。