Meet the needs of undergraduate physical criterion.
符合大学生体育合格标准。
Physical Significance of adjustable speed characteristic for fan is stated and functional relation criterion between adjustable speed characteristic factor for fan is established.
阐明通风机调速特性的物理意义,建立系列风机调速特性系数与连续机号间的函数关系准则。
In this article, the writer expounds the interrelation between criterion for equilibrium and condition of equilibrium in physical chemistry by deducing both of them.
本文通过对物理化学中平衡判据与平衡条件的导出,阐明了两者之间的相互关系。
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