1. Any product has a life circle. There are leading period, growing period , maturation period and declining period. Different period has different marketing strategy. 在导入期，我们有四种营销策略可以选择：快速掠夺，缓慢掠夺，快速渗透和缓慢渗透。
2. Daqu culture process is divided into five stages of fermentation prior period, temperature rise period, high temperature period, temperature drop period and maturation period. 大曲培养过程分为发酵前期、升温期、高温期、降温期、成熟期5个阶段。
3. Within the geo park develop horst fault-block mountains, Quaternary glacial heritages and stratigraphic sections of Quaternary glaciers and Lower Proterozoic Xingzi Group. 地质公园内发育有地垒式断块山与第四纪冰川遗迹，以及第四纪冰川地层剖面和早元古代星子岩群地层剖面。
4. The Australasian Quaternary Association (AQUA) promotes the discussion and dissemination of information and ideas within the various disciplines related to quaternary studies. 澳大利亚第四纪协会（AQUA）的目标是促进与第四纪研究相关的不同学科领域的信息和思想的交流与传播。
5. Quaternary structure If a protein is made up of more than one polypeptide chain it is said to have quaternary structure. 三级结构： 在蛋白质中，三级结构涉及多肽链中所有氨基酸的三维排布。
网络释义
Quaternary Geology and Quaternary Environment 第四纪地质与第四纪环境;
