lovel

lovel

1

Dipole squeezing of a three lovel atom under the interaction of a two mode field

三能级原子在双模激光场作用下的偶极压缩效应
2

By the use of " Delphi method " the lovel , equipments , machineries and implements for the mechanization of rice planting in our country till 1990 have been forecasted in this paper .

本文应用特尔斐法对我国至1990年为止的水稻插秧机械化水平及设备、机具进行了预测。
3

This paper presents the regress equation of relationship between ice dam and water lovel of last year through many years ' analysis documents in water lovel station in Nenjiang River . And also presents the forecasting equation of ice dam and the date of breaking ice .

以嫩江水位站为例，通过多年观测资料分析建立冰坝与前1a封江水位相关关系回归方程，对冰坝及开江日期做出预报，给出公式。