Virtual hospital is the important characteristic and high value-added product made from high grade digital hospital, it is the basis to realize regional collaborative medical care.
虚拟医院是数字化医院高级阶段的重要特征和高附加值产品，是实现区域协同医疗的基础。
Based on the calculation model of vertical elastic grade beam, a method called virtual simply-supported beam method for design of sheet pile walls is introduced.
基于竖向弹性地基梁计算模型，提出了板桩结构计算的拟简支梁法。
It is found out that the R gene containg the field resistance variety is without virtual meaning. for the infection period of variety and the grade determined the level of field resistance.
作者查明有田间抗性品种的R 基因有没实际意义。品种感染时期和等等是由田间抗性水平决定的。
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