Frequency distributions of element combinations may find compound elements that do uniquely determine the data.
元素组合的频率分布可以发现能够惟一确定数据的复合元素。
2
By the analysis penetration of ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.
分析认为，氧化锌晶须渗入在复材中将形成微观的阻尼结构，起到降低固有振动频率和增大衰减率的作用。
3
The flux compensation research of variable frequency hydraulic compound control system.