本文建立了有血管存在的生物分层组织模型，在此基础上首次分析了血液的存在及流动对测量探头反射系数的影响。
Simulation results show that: a the blood vessels in layered tissues may have a great influence on the reflection coefficient.
应此有人提出了分层介质结构，来研究超声在生物组织中的传输和分布。
So someone purposed layered media structure to study transmission of biologic structure.
研究结果表明：利用GA可有效地反演出生物组织的分层厚度信息和生物组织的某些德拜参数。
Calculation results prove that using GA can well efficaciously reconstruct the information of biological tissues, such as thickness and Debye parameters.
采用宏观与微观相结合的方法，研究了不同种类不同部位的沿壁厚分层竹材的力学性能与生物组织微结构的关系。
Macroscopic and Microscopic methods were used to investigate the relationship of microstructure and mechanical properties of different species and position of bamboo.
采用宏观与微观相结合的方法，研究了不同种类不同部位的沿壁厚分层竹材的力学性能与生物组织微结构的关系。
Macroscopic and Microscopic methods were used to investigate the relationship of microstructure and mechanical properties of different species and position of bamboo.
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