求翻译：近年来，以镧系稀土金属为中心离子的金属配位化合物因其特殊的配位特性、光学、磁学及电学特性引起了大量化学工作者广泛的关注和研究是什么意思？

In recent years, metal coordination compounds of lanthanide rare earth metals ion because of its special coordination properties, optical, magnetic and electrical properties caused by the widespread concern and study of the large number of chemical workers

In recent years, with rare earth metals lanthanum carbonate, for the center of the metal ion with a compound due to its special features, with a optical, magnetic and electrical properties attracted a large number of chemical workers broad interest and study

In recent years, because take the lanthanum was the rare-earth metal as the central ion metal coordination compound its special coordinate characteristic, optics, magnetism and the electricity characteristic has aroused the massive chemist's widespread interest and the research

In recent years, focus on Lanthanide rare earth metal ion coordination of metal coordination compounds because of their special characteristics, optical, magnetic and electrical properties has aroused widespread interest and a large number of chemical worker studies

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