The reason for positive correlation between the plasma ANF contents and serum cholesterol is probably that ANF can inhibit the change from endogenous cholesterol to pregnenolone.
血浆ANF含量与胆固醇呈正相关，可能与ANF能抑制内源性胆固醇转变为孕烯醇酮有关。
Second, an Enhanced Phase Locked Loop (EPLL) control strategy based on improved Adaptive Notch Filtering (ANF) is proposed, controller parameters are optimized using BF-PSO algorithm.
其次，提出了一种基于改进型ANF的三相EPLL控制策略，并用BF-PSO算法对控制器参数进行优化设计。
The is divided into four parts: In the first part, the article analyzed the history of the system of instruction upon request and the reason for its formation anf development ;
第一部分分析了案件请示制度的历史以及其形成的原因；
The is divided into four parts: In the first part, the article analyzed the history of the system of instruction upon request and the reason for its formation anf development ;
第一部分分析了案件请示制度的历史以及其形成的原因；
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