microbarograph मीनिंग इन हिंदी

उदाहरण वाक्य

1. He also produced, in conjunction with Dr . Napier Shaw, the microbarograph and a recording mercury barometer, as well as various other instruments.
2. While this discussion has emphasized the electromagnetic spectrum, there are also both active ( e . g ., sonar ) and passive ( e . g ., hydrophone and microbarograph ) acoustic sensors.