With the increase of crystallinity , the crack initialing energy tends to growth, the crack extension energy tend to decreasing, the fractal dimension on impact fracture surface decrease.是什么意思_With the increase of crystallinity , the crack initialing energy tends to growth, the crack extension energy tend to decreasing, the fractal dimension on impact fracture surface decrease.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句