求翻译：玛珥(maar)最早是用来描述德国西部Eifel第四纪火山区发育的小而圆形的火山口湖，近几十年来许多火山学家对玛珥的概念、类型及形成机制进行了深入系统的研究(eg. Ollier 1967; Fisher and Waters, 1970; Lorenz 1973; Lorenz 2007; Martin et al. 2007; Pirrung et al. 2008; Sottili et al. 2009; Taddeucci et al. 2010; Sottili et al. 2012)，是什么意思？

Maar (maar) was first used to describe the development of Quaternary volcanic areas of western Germany eifel small circular volcanic lake in recent decades, many volcanologists Maar concept, type and formation mechanism of in-depth system (eg. ollier 1967; fisher 'and waters, 1970; Lorenz 1973; Lore

ecological communities (maar) is used to describe the earliest western Germany Eifel volcanic area and the first 4 of the development of small and circular Crater Lake, in the past few 10 to many volcanologists from the concept of ecological communities, type and mechanism for the formation of the i

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Maar (Maar) was first used to describe Germany Eifel Quaternary volcanic region in the West and development of small, circular Crater Lake, in recent decades many volcanologists Maar concepts, types and formation mechanisms of in-depth systems research (eg. Ollier 1967; Fisher and Waters, 1970; Lore

But Masurium arc of contact of halo (maar) is most early uses for to describe west Germany the Eifel quaternary period volcano area growth small the circular crater lake, the near for several dozens year many volcanologist to the Masurium arc of contact of halo concept, the type and formed the mecha