Results Significant changes were found in catecholamine content in urine of personnel after the military manoeuvres (catecholamine content was 2 times as high as that before the military manoeuvres).

• 结果演习后尿儿茶酚胺含量显著变化（演习后尿儿茶酚胺含量比演习前约增长一倍）。