求翻译：该章通过深入探究、系统阐述这三部管弦乐作品变奏发展的过程、曲式生成的过程，最终充分揭示出林德伯格管弦乐创作的关键之所在。是什么意思？

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This chapter describes the system through the in-depth inquiry, orchestral works department 3 variations generated by the course of development, unpretentious, culminating in the full process reveals lindberg orchestral works of critical.

This chapter through the thorough inquisition, the system elaborated these three orchestral music work variation development process, the musical form production process, finally fully promulgates the key which the Lindbergh orchestral music creates to be at.

The chapter through in-depth research, formulation of the three orchestral variations on the development process, musical form of the generated procedure, eventually fully reveal the key of Lindbergh orchestral writing lies.

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