1) scale height change of site
场地标高变化
3) geomagnetic field variation
地磁场变化
1.
Two data sets including the historical geomagnetic field model and the length of the day are used to analyze the correlation characteristics of the geomagnetic field variation and the changes in the length of the day from 1840～2000.
利用历史地磁场模型资料和日长资料,计算和分析了1840~2000年期间地磁场变化与日长变化的互相关特点。
5) field design elevation
场地设计标高
1.
The article gives a brief account on the relations between field design elevation and field initial elevation,the land area inside the fencing wall,the foundation volume of buildings,the loose coefficient of soil,the compaction coefficient, when foundation trench soil is applied to level the land in substation areas.
文章介绍了变电站基槽土用于站区内细平时,场地设计标高与场地初平标高、围墙内用地面积、建构筑物基础体积、土壤松散系数和压实系数之间的关系。
6) fieldbus standardization
场地总线标准化
补充资料：场地
1.适应某种需要的空地。如体育﹑施工﹑堆物的地方。
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