由于多期强烈的变形变质作用，区内孔兹岩系的地层结构十分复杂。
Very complex structures and characteristics of khondalite series were caused by poly phases of metamorphism and deformation.
从测树学中对树干形状的描述出发，选择经典的孔兹干曲线式推导出可变参数的削度方程，理论依据可靠。
From the study of tree trunks described in Forest mensuration, the classic curve-derived were chosen to deduct the taper equation of variable parameters, which is reliable in theoretical basis.
大青山地区所建立的孔兹岩地层层序及其在太古宙地层系统中的位置，无疑对相邻地区高级变质区的岩石地层研究有重要借鉴意义。
The investigation of the khondalite sequence and its position in the stratum system of Archean in Daqingshan region is very useful to study the high-grade region of adjacent areas.
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