sum frequency的例句大全

Nonlinear susceptibility tensor for the sum frequency generation is derived and validated in the second harmonic generation.

推导得出对于和频情况下的非线性极化张量的表达式，并应用于倍频情况进行了验证。

A blue green light with multi peak continues spectrum structure at 46 ￣ 560 nm generated by three wave sum frequency is also observed.

同时在460nm～560nm范围内有三波混频的兰绿光产生，其光谱呈多峰结构。

Method: The frequency and sum of money in consumption of oral hypoglycemic agents during 1998-2002 were analysed.

方法：对我院1998~2002年口服降血糖药的应用频率、消耗金额进行统计分析。

METHODS: To collect the amount and sum of money of drugs consumed in this hospital in the first halves of1999,2000 and2001 and to analyse the frequency of antibiotics used.

方法：统计我院1999年上半年、2000年上半年、2001年上半年所有药品的用量和消耗金额，并具体分析抗生素的用药频度。

On the basis of phase matching conditions of sum-frequency and frequency of three-wave coupled equations, analyze the feasibility of using double LBO to achieve the process of sum-frequency.

从和频三波耦合方程及其相位匹配条件出发，分析双LBO晶体和频的可行性。

When the rotational frequency equals the sum ( or the difference) of the natural frequencies of the flexural and torsional vibrations, coupled flexural torsional resonance may occur.

当转动频率接近于扭转振动固有频率与弯曲振动固有频率之和或之差时，可能会发生弯扭耦合共振。

Research on the relation of frequency sum to temperature in the four frequency RLG

四频激光陀螺和频与温度关系的研究

However we want to get the least absolute value of frequency deviation not the least square sum of it.

但是实际需要的是使频率偏差的绝对值最小而不是频率偏差的平方和最小。