| 摘要 |
The apparatus in question refers to an absolutely new and functional device designed to measure the length and monitor the phases of woman's menstrual cycle through a switch which is set in motion at the beginning of menstrual cycle and starts up a timing counter. The apparatus, through this counter, measures and displays the time that has passed and a hand synchronized with the counter runs through a scale with identification of the phases and delays of the menstrual cycle. This process carries on until the moment the switch will be restarted indicating the end of the current cycle and beginning of the next one. The device has a memory bank that stores the information concerning the previous cycles.
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