Sequential multipoint pulse stimulation was adopted, twice each week, for 20 consecutive weeks (40 sessions) and then pure tone test was carried out repeatedly.
使用顺序连续多点脉冲刺激，每周2次，连续20周(40次)后复查纯音测听。
2
The Pulse property contains the command string used to instruct the modem to use pulse mode for dialing. Pulse dialing is necessary for phone lines that are unable to handle tone dialing. Example: P.