The contribution to the giant resonances from the currents of vector mesons are also examined , it shows that currents of vector mesons play an important role in collective giant resonances . by studying the properties of collective multipole excitations of nuclei , a general conclusion is that those effective lagrangians recently developed can well describe not only the nuclear ground state properties of finite nuclei , stable and unstable ones up to the nuclei drip lines , but also the collective excited states and giant resoancnes in doubly closed shell nuclei 通過(guò)對(duì)核的電多極巨共振性質(zhì)的研究,我們發(fā)現(xiàn)現(xiàn)有的這些非線性的有效相互作用不但能夠很好地描述有限核的基態(tài)性質(zhì),包括球形和變形核以及遠(yuǎn)離穩(wěn)定線核,而且對(duì)一些雙滿殼核的集體激發(fā)態(tài)和巨共振性質(zhì)也能進(jìn)行合理地解釋,包括巨共振峰的位置和中心能量。