Longitudinal study mainly refers to the distribution of p / e in the past 10 years the stock market and investors anticipated, including market analysis of the overall median level of p / e, p / e structural analysis and classification of industry p / e compare 纵向的考察主要是指近十年股票市场市盈率的分布特征与投资者预期的关系,包括市场整体市盈率水平的中位数分析、市盈率的结构分析和行业市盈率分类比较。
A part of industry belongs to the technology-intensive industries in a big classification of industry, such as electronic industry, but it still belongs to labor-intensive product what it produce some . joining of the whole world of multinational division, its production also belongs to labor-intensive product . even if some conventional dominance industries, their gradation of production are also low 从产品结构看,虽相当一部分产业在大的产业分类中属于技术密集产业,如电子工业,但所生产的部分仍属于劳动密集型产品;在参与跨国公司全球分工中,所承担的生产环节也主要属于劳动密集产品;即使一些传统优势产业,其产品层次也比较低。