ZX2010

Primary objective: To evaluate the safety and tolerability of ZX2010 injection after single and multiple subcutaneous injections in healthy subjects. Secondary objective: To evaluate the pharmacokinetic characteristics and immunogenicity of ZX2010 injection after single and multiple subcutaneous injections in healthy subjects. Exploratory objective: To explore the preliminary pharmacodynamic characteristics of ZX2010 injection after single and multiple subcutaneous injections in healthy subjects; to explore the QT/QTc interval after single and multiple subcutaneous injections of ZX2010 injection in healthy subjects; to explore the relationship between exposure and effect of ZX2010 injection.