Preliminary study on the molecular mechanism of soybean regeneration 并列题名:Preliminary study on the molecular mechanism of soybean regeneration Study on the molecular mechanism of leukocyte migration 并列题名:Study on the molecular mechanism of leukocyte migration Preliminary study on the mode of sea exploition Preliminary study on the "New Normal" of China's economy Preliminary study on the criticism patterns of Chinese art Empirical study on the operation mechanism of criminal procedure in China Study on the molecular mechanism of staphylococcal biofilms a study on the influence mechanism of scientism