Objective To explore the clinical features, manifestations and put forwarddifferential diagnosis and treatment of synovial tumors of the knee.
目的研究膝关节滑膜源性肿瘤的临床特征，探讨并分析滑膜肿瘤的临床表现并提出鉴别诊断及治疗方法。
2
As an example, a resonant loop is composed of forwarddifferential FDNR circuit. The experiments show that the characteristics of its frequency response coincide with the theoretical analysis.
作为文中的一个例子，用FD - FDNR电路组成一个谐振回路，实验表明其频响特性与理论分析相一致。
3
And on this basis, an attribute reduction algorithm based on the improved differential evolutionary algorithm was put forward.