adj.多变的；[昆]多花采蜜的；多花采粉的
Coordinates and processes in the good teaching appraisal a Yuannatural and the polytropic value orientation relations. 协调和处理好教学评价中一元性与多元性价值取向的关系。
Deeply grasp the relationship between the basic properties, such as p 、 v 、 T during polytropic process. 掌握多变过程系统与外界交换的热量、功量的计算。
Air compressors can have high efficiencies;around 90% polytropic at their design conditions. 国内许多企业和高校都在大力推动弱电系统理论的学习和应用。
In the whole polytropic process, whenever V increases or decreases,system eitherpurely absorbs or purely releases heat, unless Q=0. 对多方过程，当V增大或减少时，要么全部Q＝0，要么全部过程吸热或放热．而对非多方过程，热容量是变量，其吸、放热比较复杂
The polytropic index can be calculated according to the experiment data of coal temperature, the free gas expansion wor. 多变指数可以通过实验测定的煤体温度来计算,吸附瓦斯和游离瓦斯的膨胀功可以利用多变指数计算。
The affects of polytropic plus integration number and low sidelobe level were considered in the detection probability calculation. 考虑了相控阵雷达多变的 脉冲积累数和极低的副瓣电平对发现概率的影响。
