1) design frequency
设计频率
1.
The effects of atrocious weather factors on road operating safety were investigated and the design frequency of atrocious weather was calculated using historical weather data.
分析了灾害性气象因素对道路运营安全的影响,采用设计频率方法对气象数据进行了计算分析,建立了不同运行状态下不同的可视距离、行车车距和运行车速间的数学模型。
2) frequency design
频率设计
1.
To improve this scheme,the frequency design method for a dynamic absorber was investigated in the present study.
为了完善在夹层壁板的芯层安装微型动力吸振器来抑制壁板颤振这一新方案,研究了吸振夹层壁板中悬臂梁式动力吸振器的频率设计方法。
4) design flood frequency
设计洪水频率
1.
The purpose of the study was to compute design flood frequency by the optimized algorithm.
根据我国水利水电工程设计洪水计算规范,应用粒子群算法按照离(残)差平方和最小,离(残)差绝对值最小和相对离(残)差平方和最小准则,进行了设计洪水频率曲线参数的优化估计研究。
2.
【Objective】 Applicability of 3 intelligent optimization algorithms for design flood frequency was studied.
【目的】研究3种智能优化算法在设计洪水频率曲线适线中的适用性。
5) frequency codesign
频率协调设计
6) Frequency and Signal Design
频率和信号设计
1.
Galileo Frequency and Signal Design;
伽利略系统的当前频率和信号设计方案
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条