fixture note meaning in English

成交书
定租协议
订租确认书
租船成交备忘录
租船确认书

The article includes five chapters . the first chapter discusses that what is the offer - acceptance during conclusion of charter party as well as the legal nature of fixture note and the term of " subject to . . . " which is often used during conclusion of charter party
本文共分五章，第一章论述了何谓租船合同订立过程中的要约与承诺以及在合同法下，租船合同订立过程中经常使用的“ subjectto ”术语以及订租确认书的法律性质。