The History of Electric Measuring Instruments and Active Components Society of Historical Metrology, Japan
نویسنده
چکیده
Precision electric meters are indispensable to the development of technology in this age. The first electric measuring instruments, however, were physically impossible to transport, and were functionally inadequate for use in a laboratory. The measuring instruments of today have evolved into sturdy, easy-to-use instruments with higher performance, adopting new active components which have appeared
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تاریخ انتشار 2004