The analysis indicate that Heilongjiang's animal industry possesses cost advantage, but does not price advantage, which results from circulation hindrance of inadequate government policy.

分析表明，黑龙江省的畜牧业具有成本优势，但没有价格优势，究其原因主要在于流通领域中的制度障碍。

For technique hindrance, determining parameters for fluid viscous damper in bridge design is generally by nonlinear time history analysis of entire bridge model under earthquake.

由于技术原因，液体粘滞阻尼器在桥梁设计中的参数选取基本上是通过全桥模型的地震非线性时程分析得到的。

The methods of getting ravine density is complex currently, because this factor is multitudinous in the process of gaining ravine density, this is a hindrance to further spatial analysis.

对于沟壑密度的提取方法目前较为复杂，这主要由于在提取过程中所涉及到的因子数目众多，为进一步的空间分析研究设置了障碍。