permanent ①永久的，永恒的 ②积和式†
permanent 积和式†；永久量；永久的 product-sum form 积和式
理论计算机科学 可计算性与计算复杂性 释文 permanent 积和式
- information system operation and maintenance outsourcing
- information system operation and maintenance outsourcing risk management
- information system operation and maintenance problem management
- information system operation and maintenance release management
- information system operation management
- information system operation management system
- information system outsourcing
- information system project change control
- information system project communication management
- information system project cost-based budgeting
- information system project cost management
- information system project cost management and control
- information system project demand collection
- information system project implementation
- information system project initiating
- information system project integration management
- information system project life cycle
- information system project management
- information system project management process
- information system project manager
- information system project outsourcing management
- information system project performance report
- information system project planning
- information system project quality assurance
- information system project quality management