The main contents, procedure, methods and characteristics of research on the construction planning of Jiangsu provincial trunk waterway network are introduced.

介绍江苏省干线航道网建设规划研究的主要内容、研究程序、方法及其特点。

youdao

This paper introduces the basic theory, configuration and the technical characteristics of the parameter simulation device for trunk circuit.

介绍了轨道电路参数模拟装置的理论依据、方案和技术特征。

youdao

AIM: to detect the muscle strength and endurance of healthy young people with different sport levels using isokinetic testing technique, so as to explore the characteristics of trunk muscle function.

目的：等速测定不同运动水平的健康年轻人躯干屈伸肌群肌力和耐力，了解年轻人躯干肌群的肌肉功能特点。

youdao