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从九十年代初起,美国一些公司先后在中国销售二手仪器,目前除美国国西、欧力士公司外,还有中国东方科仪、清华仪器设备等公司。这些公司主要销售HP、Tek、AnritSu、Advantest等公司仪器,仪器门类有扫频源、合成信号发生器、网络分析仪、频谱仪、示波器、计数器等。二手仪器货源,一是从国外仪器租赁公司来的;二是军方或厂商和公司的大批
Since the early 1990s, some US companies have sold second-hand equipment in China. At present, in addition to the US West and Orix Corporation, there are companies such as China Eastern Scientific Instrument and Tsinghua Instruments and Equipment. These companies mainly sell company instruments such as HP, Tek, AnritSu and Advantest. The instrument categories include swept sources, synthesized signal generators, network analyzers, spectrum analyzers, oscilloscopes, and counters. The sources of second-hand equipment come from foreign instrument leasing companies; the second is the large number of military companies or companies and companies.