Stress was measured by the Chinese Perceived Stress Scales ( CPSS ).

压力测量使用中文版知觉压力量表 ( CPSS ).

The study was carried out under the auspices of the Canadian Perinatal Surveillance System (CPSS).

该研究在加拿大婴儿出生前后监测系统的协助下进行。

The study was carried out under the auspices of the Canadian Perinatal Surveillance System ( CPSS ).

该研究在加拿大婴儿出生前后监测系统的协助下进行.