Methods All nurseling under 3 years were examined with color Doppler high frequency ultrasound.

方法采用彩色多普勒高频超声对5067例3岁以下婴幼儿进行双侧肾及输尿管检查。

OBJECTIVE To explore the clinical effect of Medilac-Vita with Smecta treating diarrhea of nurseling.

目的探讨妈咪爱联合思密达散剂治疗婴幼儿腹泻的临床效果。

Objective To investigate the prevalence rate of congenital hydronephrosis in 5067 nurseling under 3 years.

目的调查5067例3岁以下婴幼儿先天性肾盂积水的患病率。

The optimum cutting density should be flolowedwith the change of the prices of cutting wood and cutting nurseling.

在穗价和苗价发生变化后，最佳扦插密度也将改变。

The rice nurseling-seedling-scattering was a new technique of rice cultivation, which has the economic predominance of saving water, reducing labour intensity and production costs.

认为乳苗抛栽是介于水稻直播和抛秧之间的一种新的水稻轻型栽培技术，具有节约水资源、减轻劳动强度、降低生产成本的效益优势。