2) symmetric partial derivative
对称偏导数
1.
In this paper,symmetric derivative and symmetric partial derivative are researched and some new differential mean value theorems are defined.
针对对称导数、对称偏导数,给出了一些新形式的微分中值定理。
2.
In this paper,the author defines the symmetric partial derivative of the binary function and discusses the interrelated property about the symmetric partial derivative.
定义了二元函数的对称偏导数,讨论了二元函数的对称偏导数及相关性质。
3) seismic station deviation
走时偏差
1.
A study of seismic station deviations in the East China Region;
用华东地区十年地震资料和迭代方法,在华东走时表的基础上,计算出百余地震台站的作为距离的函数的走时偏差值。
4) isochronous correlation surface
等时对比界面
5) interface heat transfer coefficient
界面热导系数
1.
Then interface heat transfer coefficient is acquired by numerical simulation, and the computational results also reveal that the effects of small local region .
通过在高温SHPB实验装置上进行热传导实验,测量得到了试件上不同位置测点的温度-时间历史,初步得到了试件上不同时刻的温度分布;通过数值计算,得到了试件上的温度场,其结果印证了实验结果,并得到了试件和导杆的接触界面热导系数。
6) Traveltime data
走时数据