broad heading是什么意思

双语例句

(1)In the US. fine urine sickness is only inferior after cancer and AIDS's third broad heading disease.

在美国。精尿病是仅次于癌症和艾滋病之后的第三大类疾病。

(2)The tracheotomy technique surgery treats a minute two broad heading: Its surgery date lies in restores the throat to return to the nerve function.

气管切开术手术治疗分两大类：其一手术日的在于恢复喉返神经功能。