根据KBBF（KBe2O3F2）晶体的色散方程、非共线相位匹配时各个光束应该满足的能量和动量守恒条件,用牛顿-拉夫逊迭代法求解非线性方程组......

The chamber device was designed and set up to simulate the in-service welding. The results show: the ts/5, t8/3 and inne......