“room and pillar mining”概念、定义、翻译-科学时代

单词	room and pillar mining
释义	矿业工程技术词汇手册 room and pillar mining 房柱式采煤法；房柱式开采
随便看	quantization quantization quantization quantization quantization condition quantization distortion quantization error quantization error quantization factor quantization level quantization noise quantization noise quantization noise quantization noise quantization of amplitude quantization of energy quantization unit quantized data quantized feedback quantized signal quantized system quantized universal enveloping algebra quantizer quantizer quantizer

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。