The study on the formula and experiments of modified nature rubber which could be used at low temperature were made.
主要进行可低温使用的改性天然橡胶配方试验。
This paper presents a formula regarding the relationship between spatial resolution of RS image and mapping scale on a study area.
该文对遥感影像空间分辨率与成图比例尺的关系进行了研究，提出对应数学表达式。
This paper makes a study on principles of grounding impedance measurement and derives the formula for calculating grounding impedance.
对接地阻抗测量原理进行研究，分析推导出接地阻抗计算公式。
应用推荐