并列题名：Analytical and practical aspects of drug testing in hair Analytical and practical aspects of drug testing in hair 并列题名：Theoretical and practical study of securities lending 并列题名：Statistical and mathematical aspects of pollution problems 并列题名：Theoretical and practical research on sentencing standardization 并列题名：Theoretical and practical exploration of carbon neutrality in cement industry 并列题名：Theoretical and practical exploration of the most beautiful villages in China 并列题名：Theoretical and practical research on local legal regime of China