A systematical study on the woody plant flora in the Daba Mountains was pursued in this paper by means of an investigation on plant taxa.

本文通过详细的植物类群调查，对大巴山木本植物区系进行了较为系统的研究。

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Aiming to the resources dominance in wild medical plant of Jilin region, the author made an investigation on their development, utilization and protection.

针对吉林地区野生药用植物资源丰富的优势，通过调查，提出了对野生药用植物资源的开发、利用和保护的建议。

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Through the investigation on the performances of some kinds of additives, the formula composition of KunLun DTD diesel engine oil which is used in electric power plant is validated.

通过对各类添加剂性能的考察，确定了昆仑d TD电厂柴油机油的配方组成。

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Power shortages have become a major issue in Pakistan, with the government ordering an investigation into a nation-wide power cut on Sunday blamed on a technical fault in a plant in south-western Balochistan province.

BBC: Pakistan-Iran pipeline work 'to begin on 11 March'