In addition, a concept named utilization rate of grade limit is proposed as a supplement to the analysis indicators of parking braking performance.
另外，提出了极限坡度利用率的概念，作为对驻车制动性能分析指标的补充。
Taking three-axle vehicle as an example, the calculation formula of parking grade limit of multi-axle vehicle is derived with its influencing factors analyzed.
以三轴汽车为例，推导出多轴汽车的驻车极限坡度计算公式，并对其影响因素进行分析。
Continuously readjusting the grade limit value(classical domain and joint domain) of every factor can maximize the ratio of historical runoff to actual runoff production in a drainage basin.
通过反复调整各因子的等级分界值（经典域和节域），可以使流域产流计算等级和实际等级的拟合率达到最大，其结果比较好。
Our country is in rich of fly ash, low grade fly ash received great limit because of its low activity, resulting in great waste of resources.
我国是粉煤灰资源大国，低等级粉煤灰由于活性低，在利用上受到限制，造成很大的资源浪费。
Then, the divide standard of damage grade and the enduring fire limit time of the tunnel lining caused by fire accident are discussed.
在此基础上提出了隧道衬砌火灾损伤等级的划分标准与耐火极限时间。
The user merely inputs the relevant parameter and the test-question bank of various courses in medicine will be generated without any limit of parameters' grade and classification system.
用户只需输入相应参数便能建立医学各类课程的题库，参数的等级和分类系统不做任何限制。
By analyzing the relationship between speed loss, speed discount in different gradient and grade length, the paper also brings forward the maximum longitudinal gradient and grade length limit.
通过速度折减量与坡长之间的关系曲线，提出基于运行速度差和满足公路服务水平要求的各级公路最大纵坡坡度与坡长限制值。
National standards may be classified and graded. The competent authorities responsible for the enterprise shall fix a time limit for achieving the highest grade of the national standards.
国家标准可以分级分等。企业主管部门要规定生产企业达到国家标准最高等级的期限。
So the relationship between longitudinal gradient, grade length limit, vertical curve and safety is analyzed, which can be referred to improve the safety and optimize the profile design.
根据下坡路段事故统计资料，分析纵坡坡度、坡长、竖曲线和下坡衔接平曲线与道路安全的关系，为提高长大下坡路段安全，优化纵面设计提供参考。
This article use fuzzy mathematics to appraise 4 indexs include expansion force, free expansion ration, liquid limit, plastic limit and establish a fuzzy method to judge the swell-shrink grade.
本文运用模糊数学的方法对膨胀土的膨胀力、自由膨胀率、液限、塑性指数4项指标综合评价，建立模糊识别分类方法。
This article use fuzzy mathematics to appraise 4 indexs include expansion force, free expansion ration, liquid limit, plastic limit and establish a fuzzy method to judge the swell-shrink grade.
本文运用模糊数学的方法对膨胀土的膨胀力、自由膨胀率、液限、塑性指数4项指标综合评价，建立模糊识别分类方法。
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