求翻译：从实验室开放的内容上，实验项目可分为必修实验项目、选修实验项目和自选实验项目。学员根据自己的具体情况分阶段选择，由浅入深，循序渐进，逐步提高，最终培养创新能力。是什么意思？

From the laboratory open, pilot projects can be divided into compulsory experimental project, elective experimental projects and the choice of experimental projects. Students choose according to their specific situation phased, progressive, step by step, and gradually increase, and ultimately develo

In content opens which from the laboratory, the experimental project may divide into the compulsory experimental project, take as an elective the experimental project and the optional experimental project.The student acts according to own special details minute stage choice, from the shallow to the

From the lab on open content, pilot experimental project is divided into compulsory and elective experimental projects and the choice experiment project. Students choose according to their specific phases, easy-to-digest, step by step, gradually increase, ultimately cultivating innovation ability.