元元

按照UML的4层架构，依次对元元模型、元模型以及UML图形进行转换，并且前一次转换所得到的规范可以为后面的转换提供上下文背景。

Following the four-layer architecture of UML , meta-meta-model , meta-model and UML diagram are formalized in three steps , and the result of each step provides a context foundation for the next formalization .

本文首先结合设计模式和对UML元元模型的扩展，在对业务构件库中相似业务构件的共性部分和差异部分分析和抽象的基础上，提出了一种可重用业务构件模型&元构件；

First , meta component , a model of reusable business component , is presented , which is according to design pattern and extending UML meta-metamodel . meta component is based on analyzing and abstracting the commonness and difference of similar business components in business component library ;

MK在类缺血再灌注后对神经干细胞有保护作用，可促进神经干细胞增殖、有利于向神经元元分化，并可减少细胞凋亡。

2nd , MK can protect the nerve stem cell from injure , it may promote the neural stem cells to proliferate , to be advantageous to neuron direction differentiation , and may reduce the cell to apoptosis .

基于元元模型的多维元数据管理研究与实现

Research and implementation of multi-dimension management of meta-data based on meta-meta-model

体细胞克隆山羊元元肺的形态学观察

Morphological Study on the Lung of Somatic Cell Cloning Goat " Yuan-yuan "

建立在数据元元数据研究的基础上，结合公共卫生指标的特点，本研究建立了指标元数据的描述方法。

The description method has been developed to metadata of public health indicator .

他得到党内元元的支持。

He had the support of Party elders .

而模型的描述采用静态结构和动态行为元元模型。

The static structure and the dynamic behavior meta-meta-model are designed to describe the SCM .

在元元模型层，给出云服务的形式化定义及概念模型。

In the meta-meta-model layer , the formal definition and conceptual model of cloud service are presented .

通过研究分析，《字学元元》音系中存在正音、俗音。

By careful study of the book , we find there are standard sound and dialectal sound in the phonology .

这一无奈之举都源自他被贬永州后的生活状况和光耀柳氏家族以及“利安元元”的经国济世思想。

This reluctant action originated from his living state in Yong Zhou and the deep-rooted thought of honoring the Liu family and " providing the citizens peaceful life " .