The extent of water mobility within biological tissues can be quantified by a parameter called the apparent diffusion coefficient (ADC).
水在生物组织内的流动程度，可以由一个被称为表观扩散复合系数（ADC）的参数去量化之。
2
The biological traits of the coefficient and structure of this model were analyzed.
分析了模型系数和模型结构的生物学特性。
3
Studies were made on the vegetative propagation coefficient and cormels biological characters using eighth-excision in different development phase of Lycoris radiate.