求翻译：和客户交流，按要求做设计，然后制定进度，安排人员进行项目开发，测试，交货。并在之后的售后维护里，根据客户的反馈，进行修改。是什么意思？

And customer communications, as required to do the design and development schedule, arrange for project development, testing and delivery. And after-sales maintenance where, based on customer feedback and make revisions.

and customer communications, which are required to design, and then developed a progress, arrangements for staff development, testing, and project delivery. After that, the after-sales maintenance based on feedback from our customers.

With the customer exchange, according to requests to make the design, then the formulation progress, arranges the personnel to carry on the project development, the test, the delivery.And in the after post-sale maintenance, according to the customer feedback, carries on the revision.

And customer communication, designed according to requirements, and development progress, schedule staff for project development, testing and delivery. And in after sales service, based on customer feedback, be modified.