Firstly, the ray method and normal mode method are used to calculate the acoustic field in underwater with the source in the air.
首先，用射线方法和简正波方法对空气中的声源在水下产生的声场进行了分析。
Simulations show that adaptively modulated bit leaking method can reduce the jitter in pointer adjustment effectively in both the normal mode and the degraded mode of SDH network.
仿真表明，自适应调制泄漏法在网络处于劣化模式和非劣化模式时都可以有效地抑制指针调整抖动。
The nature frequency, normal mode and dynamic response of gear system are studied by theoretical modal analysis method combined with experimental modal analysis method.
采用试验模态分析和理论模态分析相结合的方法，研究了齿轮系统的固有特性和动力响应。
A new method of monitoring real-timely for DC system insulation using double asymmetrical Bridges in normal mode is adopted in this paper, and the shortcomings of symmetrical bridge are overcome.
本文采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法，解决了上述问题。目前广泛使用的低频信号注入法容易受到直流系统支路中存在的对地分布电容的影响。
Conclusion:On the basis of the normal met hod, a method to select a good scanning mode was obtained for quantitative determination of astragloside IV in complex prescription w…
结论：在常规方法的基础上，采用适当的仪器方法，是测定色谱背景干扰较大的复方中黄芪甲苷含量的一种简单可行的方法。
Conclusion:On the basis of the normal met hod, a method to select a good scanning mode was obtained for quantitative determination of astragloside IV in complex prescription w…
结论：在常规方法的基础上，采用适当的仪器方法，是测定色谱背景干扰较大的复方中黄芪甲苷含量的一种简单可行的方法。
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