screening of aggregate

例句：

1. 1. The company is conducting a thorough screening of potential employees.
   公司正在对潜在的员工进行彻底的筛选。
2. 2.The doctor performed an extensive screening of the patient's medical history.
   医生对患者的医疗史进行了广泛的筛查。
3. 3. The new software offers a comprehensive screening for potential security vulnerabilities.
   这款新软件提供了对潜在安全漏洞的全面筛查。