Objective To observe the regular rule and the developmental characteristics of pupils dental caries.
目的了解我市小学生龋齿发病特点和规律。
The main growth and developmental characteristics of spring maize were shown as follows:higher plant height increment per day and exuberant growth of leaves in the early stage;
春玉米的主要生长发育特性为：大田初期株高日增量大，叶片早生快发，生长旺盛；
Based on the above study, the result can be concluded as follows: the football players at different ages can have different developmental characteristics during the tactical consciousness training.
基于以上研究结果可以得出结论，如下：足球队员在不同时期有不同的发育特征，可以在战术意识的培养。
However the characteristics of language and orthography children are confronted with will affect the ease of reading acquisition and the phenotypes of developmental dyslexia.
然而儿童所面临的语言文字特性会影响到阅读技能获得的难易和发展性阅读障碍的表现。
It analyzed the characteristics and developmental trend of the present direct current converter of the mine electric locomotive.
分析了现有矿用电机车直流电源变换器的特点及其发展趋势。
According to the characteristics of long sowing time of millet, we discuss on the developmental regularity of Jingu MilletNo. 14 on the premise of sowing time.
根据谷子播种期长的特点，我们以播期为前提，探讨了晋谷14号的生长发育规律。
Results the developmental growth characteristics of the introduced Pfaffia in Nanning are stable.
结果珐菲亚在南宁生长发育特性稳定。
This study was designed to investigate the developmental principle and characteristics of pencil grasps in preschool children by mean of their drawing circles.
以握笔画圆为测查任务，考察了学龄前儿童握笔姿势的发展趋势及特点。
Through the analysis of the characteristics of the piano instruction, the third part of the paper states the developmental tendency of the basic curriculum for the piano instruction.
本文的第三部分通过对现代钢琴教学特点的分析，论述了钢琴基础教材的发展趋势。
The perinatal history, developmental history and characteristics of regression were investigated. The symptoms were compared between the two groups.
调查患儿的围产期情况、发育史及发育倒退的特征，并对两组患儿的症状进行比较。
Paper analyzed formation and characteristics of light sierozem in Ningxia, put forwards existing problems during developmental sierozem, and discussed ways of its amelioration and utilization.
在分析了宁夏淡灰钙土现状的基础上，阐述了淡灰钙土开发利用中存在的问题，探讨了改良利用的途径。
The paper represented newest information from abroad in recent years and elaborated the cultivated characteristics of wheat nowadays and their developmental tendencies in four aspects.
本文综述了近年来国外的最新资料，从四个方面论述了且前国外小麦的栽培特点及其发展趋势。
By comparing traditional and modern management systems, this paper discusses briefly main characteristics and developmental trend.
本文从传统管理范式与管理新范式的对比中，简略地勾画出未来管理的主要特点与发展趋势。
Age groups were divided according to the frequency distribution characteristics of body weight and the developmental and reproductive status.
根据体重的频次分布特征并参照发育与繁殖状况制订年龄划分标准。
AIM: To observe rat hippocampal neuron morphological characteristics at different developmental and differential stages in low density culture.
目的：建立大鼠海马神经元低密度体外培养方法，并观察其发育分化过程中的形态学指征变化情况。
AIM: To observe rat hippocampal neuron morphological characteristics at different developmental and differential stages in low density culture.
目的：建立大鼠海马神经元低密度体外培养方法，并观察其发育分化过程中的形态学指征变化情况。
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