packing and covering造句
- These problems include " packings and coverings of circles in a plane, and . . . with tessellations on a sphere " and also problems " in the hyperbolic plane, and in Euclidean space of three or more dimensions . " At the time, Todd opined that those problems were " a subject in which there is still much scope for research, and one which calls for considerable ingenuity in approaching its problems ".
- The logarithm of the packing and covering numbers are sometimes referred to as " entropy numbers ", and are somewhat analogous to the concepts of information-theoretic entropy, in that they measure the amount of " disorder " in the metric space or fractal at scale " & epsilon; ", and also measure how many bits or digits one would need to specify a point of the space to accuracy " & epsilon; ".
- It's difficult to see packing and covering in a sentence. 用packing and covering造句挺難的