It is a period of an epochal turn in chinese movie phylogeny and chinese movie exploring the maturity from 1931 to 1949 , which has exerted a tremendous influence on the later development 摘要1931年至1949年，是中国电影发展史上具有划时代转折意义的一个时期，是中国电影在探索中走向成熟的时期，并对以后的发展产生了深远影响。
As a considerably large amount of dna sequences become increasingly available , they are widely used to study phylogeny of species and multigene families , as well as the mechanism of evolution at molecular level 基于相当大量的dna序列的获得，其被广泛地用于物种的系统发生、多基因家族的演化，以及在分子水平上的进化机制的研究。
The results are agreeable with morphological taxonomy . the software mega was used to analyze the molecular phylogeny and phylogenetic trees were constructed with the neighbor - joining method and the maximum parsimony method 对所得的基因序列用mega软件包进行系统进化分析， nj法和最大简约法( mp )构建毛冠鹿和麂属3种动物的分子系统进化树。
Through comparison and alignment on the sequences , 47 haplotypes are chosen and involved in analysis . 4 . the purposes of this research are phylogeny of intrafamily ( including intraspecific , interspecific , intergeneritic and intersubfamily ) 经排序和对比分析，能够用于分子系统学分析的单倍型序列有47条，这些单倍型全部参加了分析。
1 . it is proved that stock company can be used in the management of chinese expressway from the characteristic of expressway , the phylogeny of stock company and the exprenices of expressway stock system in other countries 本文的主要工作如下： 1从高速公路的特点和股份制的发展历史、目前国际上高速公路股份制现状说明了高速公路股份制的可行性。
Some differences between species were found , which can be used lor the identification to subdivision of the genus and supraspecific taxon , furthermore , their structural diversity provided taxonomic evidence and valuable information for phylogeny of the genus 五味子属植物在种子形态特征上存在一定的差异，可为属以下、种以上的分类提供依据。
Firstly , analysis erp theories principle , phylogeny and latest development , research the relationship between erp and dss , olap , data warehouse , moreover argue and study on the necessary of putting erp into practice at electronic commerce epoch 首先对erp的理论原理、发展历史及最新进展进行了分析，研究了erp与dss 、 olap 、数据仓库的关系，并对电子商务时代实施erp的必要性进行了研究和探讨。
The sequence analysis showed that the identities of alligator sinensis dmrt1 gene to human dmrt1 gene in the dna sequence and the amino acid sequence were 87 % and 95 % , respectively . the results indicated that dmrt genes were highly conservative in phylogeny ( 3 )测序结果表明，雌雄扬子鳄dmrt1基因的序列一致，且其dna序列和编码的氨基酸序列与人相应dmrt1基因的相似性分别为87 %和95 % 。
This paper researched the behaviors and time budgets of captive - bred chinese alligator ， and discussed the taxonomical status of chinese alligator ( alligator sinensis ) and the phylogeny of the reptiles based on the sequences of nt - 3 and bdnf genes 本论文对涉及饲养条件下夏秋两季扬子鳄的行为和活动时间分配进行了研究，同时基于nt - 3和bdnf基因部分序列探讨了扬子鳄的分类地位和爬行动物的系统发生。
