And it analyzes the impressionable factor what influence the stability of cavern by compare with other factors.
通过比较，得出影响溶洞稳定性的敏感因素，并进行分析。
Conclusion There is no significant correlativity between congenital heart disease and ABO blood type, so blood type is not an impressionable factor that leads to congenital heart disease.
结论提示发生先天性心脏病与患者ABO血型间无显著相关性关系，血型因素不是重要的先天性心脏病易感因素。
Conclusion There is no significant correlativity between congenital heart disease and ABO blood type, so blood type is not an impressionable factor that leads to congenital heart disease.
结论提示发生先天性心脏病与患者ABO血型间无显著相关性关系，血型因素不是重要的先天性心脏病易感因素。
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