求翻译：实习区属川滇黔成矿域之滇东北铅锌多金属成矿带的一部分，具备良好的成矿地质背景，具有良好的控矿因素及成矿地质条件，是寻找中—大型以上规模铜铅锌多金属矿床的有利地区。只是由于区内工作程度尚低，工作难度还较大。是什么意思？

With part of the practice belonged to the Sichuan-Yunnan-Guizhou metallogenic domain in northeastern Yunnan lead-zinc mineralization have good geological background, ore-controlling factors and metallogenic geological conditions, is looking for in - more than a large scale copper lead-zinc deposits

Internship areas in Yunnan, and Guizhou is a province of Yunnan mining area north-east lead and zinc metal to more than a part of the 矿带, have a good background in mining geology, with good control and mine geology, mineralization in large-scale copper, lead, zinc metal deposits more favorable areas

The practice area is Sichuan Yunnan Guizhou Province mineralization Yunnan of northeast lead zinc polymetallic mineralization belt territory a part, has the good mineralization geology background, has good controls the ore factor and the mineralization geological condition, seeks - the large-scale a

Practice area is northeast of Sichuan, Yunnan, Guizhou and Yunnan ore domain part of the lead-zinc polymetallic ore belt and ore-forming geological background of good, has good ore-controlling factors and metallogenic geological conditions, are looking for over-large scale copper-lead-zinc polymetal

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