并列题名：Principles of geology 并列题名：Principles of geocryology 并列题名：Principles of psychology 并列题名：Principles of immunology 并列题名：Principles of toxicology Principles of geology 译自:Principles of geology 并列题名：Principles of gas-flows 并列题名：Principles of pharmacology 并列题名：Principles of genetics