The generator USES sharp-cut and broadband circuits to achieve sharp-cut and broadband of the high voltage. Its performance and specifications are as good as the imported instruments.
该发生器采用先进的宽频带、锐截止线路，实现了高压的宽频带、锐截止，其性能和技术指标接近于目前油田进口的相关仪器。
The appropriative test menu for "power frequency variation" is normally built in domestic relay protection test instruments, but it should be calculated and set beforehand for imported instruments.
国产继电保护试验仪一般都有针对工频变化量的专用测试菜单，而进口仪器则需预先计算和设置。
The report also pointed out that while C.V.Raman won the Nobel Prize eighty years ago for the Raman Effect, most of the instruments available in India today using this principle are imported.
这份报告还指出，虽然拉曼博士八十年前就因发现“拉曼效应”获得了诺贝尔奖，然而时至今日，印度使用的、根据“拉曼效应”原理制造的工具器械，大部分都是进口的。
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