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The principle of the wind load of a parabolic antenna is analyzed by means of computational fluid dynamics. Based on the Reynolds were N-S equations K-Omiga turbulence model of parabolic antenna surface wind pressure numerical simulation the antenna surface wind pressure and wind speed distribution, and analyzes the pressure and velocity distribution in the front side and the back new Balance Shoes side of the antenna. On this basis, calculate the laminar, K epsilon, RNK new Balance Canada Sale epsilon and Les large eddy simulation turbulence model numerical simulation results, analysis of the influence of different turbulence models on drag, and expounds the different wind speed and wind load, wind load factor.. Objective: To investigate the expression of Treg and Th17 cytokines in patients with unexplained recurrent spontaneous abortion (URSA) and normal pregnant women. Methods: new Balance Vancouver choose Ursa in 20 patients as study group and normal pregnancy 20 cases as control group, using reverse transcriptase polymerase chain reaction (RT-PCR) method was used to New Balance Canada detect two groups of decidua and new Balance Toronto week blood Foxp3, ror gamma T, IL-17A and EBi3 mRNA expression, enzyme-linked immunosorbent assay (ELISA) for determination of the content of serum IL-17A and IL-35. Results: the expression of Ursa group decidua and peripheral blood Th17 factor (ROR gamma T, IL-17A) were significantly higher than those of the normal control group (P = 0.000).