Research turned away from the traitapproach in the 1950s when extensive reviews of various studies suggested there were no traits that consistently distinguished leaders from non_leaders.
Based on the method of risk evaluation, the risk assessment approach is improved due to the method of disadvantage and trait of oil pipeline in our country.
针对管道风险综合评价专家评分法的不足,结合我国输油管道特点改进输油管道风险评价方法。
3
The trait of prolificy of sheep was an important approach increasing more economic benefit.