权威例句
A comparative study of subgrid scale models in homogeneous isotropic turbulenceIntroduction to the polyaminesPotecting adolescents from harm: Findings from the National Longitudinal Study on Adolescent HealthProtecting Adolescents From HarmProtecting Adolescents From HarmDNA sequence analysis with a modified bacteriophage T7 DNA polymerase.The Friction and Lubrication of SolidsSporadic non-A, non-B hepatitis: frequency and epidemiology in an urban U.S. population.Polyamines.