This series of watches with slender case in 1930 on behalf of the funds, while close to the pulse of trends, giving a unique style to the classic style.
此系列腕表配备1930年代表款的修长表壳，同时紧贴潮流脉搏，为经典造型赋予独特风格。
2
LFM signal is a classicpulse compression signal and it is one of the ultra-wideband radar waveforms, there is sophisticated theoretical basis of its generating, receiving and processing.