The designing methods and key points are introduced and the designing procedure is also presented in this paper. A new style single-wheel walking tractor is developed by the presented idea.

阐述了这种拖拉机的设计思想及要点，给出了主要部件的设计方法，并利用这种思想方法开发设计了新型的独轮拖拉机。

youdao

A key goal in the pilot projects will be to explore methods to track food and identify a common source or supplier starting at multiple points of sale.

项目的关键目标将是在开拓在多个销售点能追溯食品并确定其来源或供应商的方法。

youdao

After comparing all kinds of classification methods, this paper shows a new kind of ECG automatic diagnostic system based on the CBR model and some key points on ECG database design in the CBR model.

本文在比较各种分类算法的基础上，提出了应用CBR模型建立心电图自动诊断系统的构想，并阐述了CBR模型中心电图实例库设计的若干关键问题。

youdao