stratified multiobjective programming

例句：

1. 1.The city is divided into several stratified districts.
   这个城市被分成了几个分层的区域。
2. 2.The soil is stratified with layers of different minerals.
   土壤分层，含有不同矿物质的不同层次。
3. 3. The data was stratified by age and gender.
   数据按年龄和性别分层。
4. 1. The project aims to achieve multiple objectives simultaneously.
   该项目旨在同时实现多个目标。
5. 2. The company's strategy is multiobjective in its approach to innovation.
   该公司在创新方面采取的策略是多目标的。
6. 3. The decision-making process should be multiobjective to consider all stakeholders' interests.
   决策过程应该具有多目标性，以考虑所有利益相关者的利益。