Simulation tests indicate that infrared digital guiding has such characteristics as convenience, agility, low cost and reliability.
模拟试验结果表明，红外数字导引具有方便灵活、成本低廉、安全可靠的特点。
Most of the cable digital service activator meters are of digital-analog integration. The ones with powerful function can pass all the tests of simulation and digital television technical index.
有线数字电视综合分析仪大都是数模一体设计，功能强大者基本可完成所有模拟与数字电视技术指标的测试。
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