The lack of a formal representation for concepts also results in an inadequate ability to make decisions at the level of systems in the product, such as during feasibility studies.
对于概念缺乏正规化的描述也会导致产品在系统级别缺乏足够的作出决定的能力，比如在可行性研究阶段。
There lack a systematic analysis tool in the lay of hotel group regional expand, in particular at the aspect of feasibility analysis to the regional expand and scientific choose the expand way.
在饭店集团的区域扩张层面，特别是区域扩张的可行性分析以及扩张方式的科学选择方面，缺少一个系统的分析工具。
Two cases quoted in this part indicate the barrier in jurisprudence virtually results in lack of feasibility in practice.
通过对二则案例的解读可以发现，此一法理障碍确实导致了实践中可行性的缺失。
Investigate its reason mainly is lack of the systematic and reliable method to the large-scale it project characteristic and feasibility study.
究其原因主要是国内对大型IT项目的特点和可行性研究缺乏系统而可靠的方法。
The present problems mainly lie in lack of theoretical depth, the narrow scope of social investigation and lack of practical feasibility of tactics put forward by the researchers.
研究中存在的问题主要表现为缺乏理论深度、社会调查范围不广、提出的一些对策缺乏实践操作性。
Objective: The aim of this study is to evaluate the feasibility of using vertical bone-separating technique in widening the horizontal lack of alveolar ridge in implantology.
目的：探讨临床种植手术中针对牙槽脊水平宽度不足的病例应用垂直骨劈开法的治疗效果。
Secondly, discussed the feasibility of exceptional marital property system in China by the analysis of lack of reason and present conditions;
其次，通过我国缺失原因和现实条件的分析，探讨我国构建非常夫妻财产制的可行性；
However, the present study is still lack of systematic and lack of feasibility planning which is suitable for our country.
但是，笔者认为目前白勺分析仍然缺乏系统性，缺乏适合国情白勺可行性方案。
However, it was still lack of systematic study of rheology of gel ZND. And the rationality, correctness and feasibility of the separating-type gel slug principle need to be verified yet.
②凝胶ZND是否能够形成隔断地层流体与井筒流体联系的隔断式凝胶段塞，所形成的凝胶段塞是否具有启动压力梯度及其调控措施仍需实验和现场试验证实；
However, it was still lack of systematic study of rheology of gel ZND. And the rationality, correctness and feasibility of the separating-type gel slug principle need to be verified yet.
②凝胶ZND是否能够形成隔断地层流体与井筒流体联系的隔断式凝胶段塞，所形成的凝胶段塞是否具有启动压力梯度及其调控措施仍需实验和现场试验证实；
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