21. Given, a set of input-output data pairs, system identification aims to form a mapping among these data pairs. 22. This enables unauthorised modification to the recorder to be detected and protects the integrity of its output data . 23. Traders said, however, that the yen's advance was limited by weak Japanese industrial output data released Wednesday morning. 24. Hopes were dimmed again just last week, when industrial output data showed an unexpectedly sharp drop in October. 25. Every slave on a network may access input and output data for every other slave on the network. 26. If input data ( logical addresses ) are partially damaged at all, we can still get correct output data . 27. Japanese stocks fell, led by banks, as the release of lower-than-expected third-quarter output data showed an economy still floundering. 28. Revisions to January industrial output data showed no change in the month, down from an original 1.6 percent rise. 29. In vibration analysis, as in all engineering problems, the output data must be looked at in a methodical way. 30. This algorithm uses a study of theoretical properties of input / output data indexing sets and groups of permutations.