“预约保险单”的概念、定义、翻译、参考文献-科学参考

单词	预约保险单
释义	预约保险单 Encyclopedia 经济学保险单释 open policy预约保险单保险双方对预计的保险标的在期初签发的保险单。约定承保条件，并于期末根据实际情况调整保险合同。又称开口保单、敞口保单。
随便看	steam compression refrigeration source steam consumption rate steam cure steam curtain steam distillation steam distributing gear steam distributing system of steam turbine steam-driven feed water pump steamed steamed feather steam ejection vacuum pump steam ejector refrigeration system steam engine steamer chamber steam excited vibration steam explosion steam-fixed green tea steam flooding steam flow standard device steam gasification steam generator steam generator materials for nuclear power plant steam generator with electric heating element steam huff and puff production technology steaming

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。