“专用人工交换机”的概念、定义、翻译、参考文献-科学参考

单词	专用人工交换机
释义	专用人工交换机 private manual exchange (PMX)
随便看	sky-wave correction sky -wave correction sky wave-delay (curves) sky-wave effect sky wave inter-ference sky-wave operating distance sky-wave pattern sky-wave range sky-wave station error sky-wave synchronized long range navigation sky-wave synchronized loran sky-wave transmission delay skywave trouble skywave-trouble skyway sky-writing slab slab and column buttress dam slab and column dam slab and edging pass slab and girder slab and girder floor slab anode slab beam slabbed construction

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。