极其重要和必要
Extremely important and necessary
以上为机器翻译结果，长、整句建议使用 人工翻译 。
基于经济性和安全性的考虑，研究桩基承载特性，准确确定其承载能力和完整性极其重要和必要。
Based on the considerations of economic and security, it is very important and necessary to study bearing properties of pile and determine the bearing capacity and integrity accurately.
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