“product life cycle theory”的概念、定义、翻译、参考文献-科学参考

单词	product life cycle theory
释义	product life cycle theory Encyclopedia 经济学产品生命周期理论释 product life cycle theory产品生命周期理论认为新产品从开始进入市场到被市场淘汰的整个过程中，存在引入、成长、成熟、衰退阶段的理论。
随便看	lifting moment lifting of a function lifting of a mapping lifting of a operator lifting of a point lifting platform milling machine lifting problem lifting property lifting surface lifting-surface theory lifting system for deep ocean mining lifting system selection lifting table lifting the lid to pour off water in the pot/opening the lung qi to treat dysuria or constipation lifting theorem lifting theory lifting-thrusting supplementation and draining method Lift installation by derrick barge lift irrigation lift mapping lift movement lift of a curve lift of a field lift of a mapping lift of an idempotent

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。