一款基于Aviator封装可以动态配置动态函数和变量来形成表达式的引擎，可通过定义表达式、追踪、搜索等能力完成表达式的可视化处理流程，更直观、更灵活、简单高效的完成复杂的业务规则。

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...