《中华人民共和国船舶及其有关作业活动污染海洋环境防治管理规定》，自（）起施行。 2011年2月1日。 2011年1月1日。 2012年2月1日。 2012年1月1日。
Define Activities is the process ofidentifying the specific actions to be performed toproduce the（） projectelements。 work drafts。 workpackage。 projectdeliverables。
During the project, requirements change for a variety of reasons. As needs change and as work proceeds, additional requirements are derived and changes may have to be made to the existing requirements. It is essential to manage these additions and changes efficiently and effectively. To effectively analyze the impact of the changes, it is necessary that the source of each requirement is known and the rationale for any change is documented. The project manager may, however, want to track appropriate measures of requirements volatility to judge whether new or revised（）are necessary. proceedings。 controls。 forecastings。 Prelibations。
The project（）is a key input to quality planning since it documents major project deliverables, the project objectives that serve to define important stakeholder requirements,thresholds, and acceptance criteria. work performance information。 scope statement。 changerequests。 process analysis。
The project team members should also be aware of one of the fundamental tenets of modern quality management: quality is planned, designed and built in, not（） executedin。 inspectedin。 check-in。 look-in。
（）involves using mathematical techniques to forecast future outcomes based onhistorical results.
