针对超长群桩使用较多而理论研究较少的现状，进行了大型的室内超长群桩模型试验。
According to the current situation of super-long pile groups, i. e. more application and less theoretical studies, a large-scale laboratory model test is conducted.
煤层深孔预裂爆破近年来在瓦斯抽放中运用日益增多，但目前对其爆破理论研究较少。
The technique of deep-hole presplitting blasting in coal bed is widely used for gas predrainage recently; but its blasting theory is not clear up to now.
对于船舶管理人的理论研究，一般也侧重于经营管理策略，较少涉及其民事法律责任。
About the theoretical research of the ship manager, most papers emphasize on the strategy of operation and management, not involve its legal liability.
从理论研究来看，我国针对消费者对绿色食品购买行为的研究较少，且多以定性研究为主，实证分析偏少。
According to the theoretical study, there are a few studies on the consumers 'green Food purchase behavior in our country, but with more qualitative research, little empirical analysis.
但相对于影视旅游实践的蓬勃发展，对于影视旅游的理论研究却相对较少。
But compared to the vigorous development of tourism practice film for the theory of film tourism is relatively small.
而环顾当前教育理论研究，虽有较多涉及网络教育，然而对网络社会的实体师生关系则较少系统述及。
However, there is almost no contemporary research on pedagogy involving the relation between teacher and student in the networked society though some of them involve the network education.
国内外采用计算流体力学（CFD）对混合时间进行理论研究的文献相对较少。
Only a few studies were carried out on the numerical simulation of mixing process by using computational fluid dynamics (CFD).
但从这些研究看，属于实务操作性的东西较多，而属于基础理论研究的较少。
However, many of these studied addressed the practical and operational aspects and only a few focused on the basic theories.
融合方法的理论研究较多，而通用的实时图像融合系统较少。
The existing researches of image fusion most focus on theory. The universal and real time fusion system is presented rarely.
鉴于知识产权证券化的实践尚处于起步阶段，国内外学者在这方面的研究文献比较少，还缺乏系统性的理论研究。
In view of the fact that intellectual property securitization is still in the course of initial development, no systematic research literature could be found in this field.
在理论研究方面，国内外学者多集中在供应链管理实施的某些环节，利益分配方面的系统研究较少。
In theory, the domestic and foreign scholars focus on certain aspects of implement of supply chain management. Researches on profit distribution are not enough.
国内对机械行业的营销研究较少，对于特定行业的机械营销理论研究就更少。
There are few to the mechanical profession marketing research in domestic, are less fundamental research regarding the specific profession mechanical marketing.
滑县李方屯是一个新近发现的木版年画产地，因此对这里木版年画系统、详实的理论研究还比较少。
Hua country LiFangtun village was a new found field which produce Spring Wood Cut Festival pictures. The fundamental research of here was still rare.
滑县李方屯是一个新近发现的木版年画产地，因此对这里木版年画系统、详实的理论研究还比较少。
Hua country LiFangtun village was a new found field which produce Spring Wood Cut Festival pictures. The fundamental research of here was still rare.
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