The numerical simulation of particle flow for soil around piles under uplifting load is just an initial study on meso-mechanical characteristics and macro-mechanic al response.

桩承受荷载过程中土颗粒细观结构变化的颗粒流仿真，是关于土体的细观力学特征与宏观力学响应相关联的初步研究。

The initial study was conducted on the mutual relationship of the factors as substrate concentration, additive and temperature by means of the L9 (34) orthorhombic experimental method.

采用L9（34）正交试验法，对影响杂细胞沼气发酵的基质浓度、发酵温度、添加剂三因素进行了初步研究。

In this essay, we made an initial study and discussion of the function of "light sport" in the whole people's physical exercise.

对全民健身中“轻体育”的作用进行了初步的研究和探讨。

This paper presents an initial study of teaching contents reform in animal biology in the universities in China with the purpose of further promoting teaching reform for this course.

就我国普通院校的《动物生物学》教学内容改革进行了初步的探讨，旨在促进我国普通院校《动物生物学》教学改革的不断深入进行。