Life - Disaster Risk Reduction Knowledge Service

FM channel FM frequency

2017-05-02

App description The converter is actually composed of three separate converters for converting between TV and FM frequencies and c.......

2019-12-19

App description The converter is actually composed of three separate converters for converting between TV and FM frequencies and c.......

leap year

2017-05-02

APP description The number of years in AD can be divided by 4 into a leap year, but the number of years in the whole hundred (0 i.......

parent blood type

2019-12-19

Children's blood type calculator (This calculator is for your reference only, please use it with caution!) Blood type genetic basi.......

channel band

2019-12-19

App description The converter is actually composed of three separate converters for converting between TV and FM frequencies and c.......

a few days later

2017-05-02

APP description Time is a measure by which the sequence of events can be determined by the past-present-future sequence (time poin.......

date difference

2019-12-19

APP description Time is a measure by which the sequence of events can be determined by the past-present-future sequence (time poin.......

2017-05-02

Children's blood type calculator (This calculator is for your reference only, please use it with caution!) Blood type genetic basi.......

2019-12-19

App description Subwoofer vent length calculation Calculation of vent length, volume of box, tuning frequency, and end correction .......

tuning frequency

2019-12-19

App description Subwoofer vent length calculation Calculation of vent length, volume of box, tuning frequency, and end correction .......