Therefore, it is necessary to analyses nitrogen flow in food chain system, evaluate the reasonableness of nitrogen flow.
因此，分析食物链养分流动的特征和规律，评价其合理性，是非常必要的。
The stability of a three species food chain system is discussed, in which the growth of producer is subject to the linear initial regrowth model.
讨论了生产者服从草再生模型的三种群食物链系统平衡点的稳定性问题。
In chapter 3, in this paper, we investigated a three trophic level food chain system with periodic constant impulsive perturbations for top predator.
第三章将在对顶级捕食者进行脉冲干扰，即周期性的向食物链中投放定量的顶级捕食者的前提下，研究三种群食物链系统的稳定性。
"We're looking for a system that will allow FDA to quickly connect the dots along the food supply chain," says McGarry.
“我们正在寻找一种能让FDA快速和食品供应链关联的体系，”McGarry说。
By analysis of the definitions of the food chain and food traceability and the requirements of standards of international food traceability, the food traceability system in food chain was introduced.
本文在对食品链和食品溯源有关标准进行解析的基础上，结合国际食品溯源标准要求，对食品链溯源系统进行阐述和分解。
Constructing this system integrate whole critical control links in a chain of food process to ensure food safety through information technology.
构建应用信息技术整合餐饮加工中所有安全控制环节的餐饮安全控制系统。
ISO22000 is the international majority support, it coordinated system control of the food supply chain safety requirements, provides a worldwide unique solution.
ISO 22000是受到国际多数意见支持的，它协调了系统地控制食物供应链中的安全问题的要求，提供了一个在世界范围内惟一的解决方案。
Exploiting detritus food chain is part of development system of grand agricultural re-sources.
开发腐屑食物链是大农业资源开发系统之一。
Exploiting detritus food chain is part of development system of grand agricultural re-sources.
开发腐屑食物链是大农业资源开发系统之一。
应用推荐