A relationship between the accepting powers of sub logarithmic space bounded two way alternating pushdown automata with and without 1 inkdot is investigated.

对具有1个墨水点没有墨水点亚对数空间限定交替式下推自动机之间进行研究。

The big disadvantage is the loss of accuracy and resolution, but some digital picoammeters combine accuracy and dynamic range by combining autoranging and digital log conversion.

这种方法，较大缺点是损失了准确分辨率。然而，也有些数字式皮安表，采用自动数字对数变换方法，这可将准确宽动态范围结合了起来。