求翻译：开发任务是产品开发链的核心要素，它是开发成员围绕产品对象进行的一系列开发活动的集合。开发资源是开发链中实现复杂机电产品开发过程的各种软、硬件资源。语义支持机制主要指开发链对复杂机电产品开发过程的语义协调和管理。是什么意思？

Core elements of the development tasks are product development chain, it is the Member of the development around a collection of product objects for a range of development activities. Development resources is the development of complex Mechatronics product development processes in the chain of various software and hardware resources. Semantic support mechanism for major development chain for semantic coordination and management of complex Mechatronics product development processes.