quiddity

in the second part, i consult a lot of information and talk about the quiddity and function of recitation. besides, i talk about the factors that affect recitation and some theories that this paper based on.

第二部分通过查阅资料阐述了背诵法的实质与作用，分析了影响背诵的因素并讨论与本文相关的理论基础。

application of the accounting principle "quiddity is more important than modality" in the accounting practice

“实质重于形式”核算原则在会计实务中的应用

the new 3r principle is put forward by analyzing the quiddity of reduce of mining circular economy. it is suggested that with the recovery to replace the reduce in mining circular economy according to the present situation of which the minerals demand is bigger than supplies in china.

根据我国目前矿产品需求大的现状，分析了矿业循环经济减量化的实质，提出了用高回收（Recovery）代替减量化（Reduce）的矿业循环经济新3R原则。

the quiddity of the decision making process of us national information security policy is to make a balance between two main methods: opening and controlling.

美国国家信息安全政策制定过程的实质是决策者决定开放与控制这两种手段相对比重的过程。911恐怖袭击事件的发生使得控制取代开放在美国国家信息安全政策中占据了微弱的优势。

the way is simple and visual, the physical thinking of huygens-fresnel principle is incarnated fully, it helps to understand the quiddity of single slit fraunhofer diffraction.

该方法简单、直观，充分体现了惠更斯-菲涅耳原理的物理思想，有助于更好地认识和理解单缝夫琅和费衍射的实质。