International Sanitary Convention
International Satellite for Ionospheric Study
International Science Organization
International Scientific Radio Union (ISRU)
international scientific radion un-ion
International Scientific Vocabulary
international screw die
international screw pitch gauge
international screw tap
International Satellite for Ionospheric Study
International Science Organization
International Scientific Radio Union (ISRU)
international scientific radion un-ion
International Scientific Vocabulary
international screw die
international screw pitch gauge
international screw tap
international scientific radion un-ion
international scientific radion un-ion
Definitions
- [1] [电] 国际无线电波科学联盟