In this paper, the characteristics and influencing factors of blasting vibration in rock and recent research progression were expounded on the basis of modern blasting principle.
文章从现代爆破作用原理出发，阐明岩体爆破的震动特性、影响因素及最新研究进展。
The resolution of each pixel can be computed according to the principle of geometrical progression. The geographical position of the pixel, in turn, can be determined.
可以利用等比级数的原理计算象素分辨率，从而确定象素的地理位置。
The resolution of each pixel can be computed according to the principle of geometrical progression. The geographical position of the pixel, in turn, can be determined.
可以利用等比级数的原理计算象素分辨率，从而确定象素的地理位置。
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