Business scope covers farming, farming, and transport, field and non field engineering work, planning and construction of economic zones four areas, namely agriculture, animal husbandry and economic zones, economic zones and industrial community economic zone. 经营范围覆盖种植业、代耕、代运、田间及非田间工程作业,规划建设农业经济区、畜牧经济区、工业经济区和社区经济区四区。
Spontaneous parametric downconversion photons have good quantum correlation as one important type of non classical field. 自发参量下转换获得的光子具有高度的相关性,是一种重要的非经典光场。
This is the question that has to be solved using the full coefficient adaptive control method in the time varying field and the non linear field. 这也是在时变对象和非线性领域内应用全系数自适应控制理论必须要解决的问题。
The empirical formula for calculating the maximum electric field strength of the particle in a non uniform field is derived. 提出了一个经验公式,用于解析计算颗粒物在非均匀电场中的最大场强。
The paper reports analytic expressions on the electric potential and field lines, and the non linear field expressions derived from the potential function. 推导了边界内电场势函数和力函数的解析表达式,以及非线性场表达式;