The cross sections of various gas channels were equivalent to circles and the shape factor sf was taken to measure their departure from a circle.
将各种不同气道截面等效于圆形,引入形状因子来衡量它们偏离圆形的程度。
The cross sections of various gas channels were equivalent to circles and the shape factor sf was taken to measure their departure from a circle.
将各种不同气道截面等效于圆形,引入形状因子来衡量它们偏离圆形的程度。
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