释义 |
frf 英'ef'ɑːr'ef美'ef'ɑːr'ef BNC²³⁶²¹³⁺¹ 基本例句 =fasciculus retroflexus 后屈束,=follicle-stimulating hormone-releasing factor 促卵泡激素释放因子 Modal test was done on a cable-stayed structure in its healthy and two damaged conditions. Curvature of the Frequency Response Function FRF was used to detect the location of damage. 对一拉索结构的正常状态及两种损伤状态进行了模态测试,用频响函数的曲率来进行损伤检测。 cnki Test results for cylinder block of the internal combustion engines are given, it shows that optimal linear estimation of the FRF for this type of structure can be obtained by using this excitation. 文中给出的内燃机缸体试验结果表明,使用这种激励可以得到这类结构频响函数的最佳线性估计。 cnki |