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。
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。
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。
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。
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。
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。
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。
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。
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 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；
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；
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