Given a matching index, a single index fetch will pin down the row to be retrieved.
给定一个匹配的索引，通过一个单独的取索引操作就可以得到要检索的行。
2
It is shown that choosing LM317 to be the manostat, the PIN diodes to be the photodetector, and the I-V transformation to be the connective mode, the designing index can be fulfilled.