“non-scheduled services”的概念、定义、翻译、参考文献-科学参考

单词	non-scheduled services
释义	non-scheduled services Encyclopedia 工学〔航空运输组织与管理〕释 non-scheduled services非定期航班由于临时性需求而增加的、不列在定期航班时刻表上，而是由航空公司或销售代理人通过自有渠道向外发布的、除定期航班以外的各种商业运输航班。
随便看	water level duration curve water level fluctuation water level forecasting water level gauge water level inscription in ancient China water levelling in ancient China water level observation water level staff in ancient china water level station water lifting water lifting cylinder wheel water lifting irrigation water lifting machinery in ancient China water light pollution water lily water-lily family waterline water-line section water-logged compost water logging waterlogging waterlogging control calculation waterlogging control planning waterlogging design waterlogging disaster

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。