pich是什麼啊

pich是

1/釋義：

abbr. 尋呼指示信道（Page Indication Channel）

2/例句：

By adopting small pich and bigger pich value， the quality of CT images could be improved and the dose of radiation that patients take in would be reduced.

採用小的螺距，和較大的螺距值來掃描可以提高CT圖像質量並減少病人所接受的輻射劑量。