We take full database backups of all databases at 4 AM, 4 PM, and 12 AM.
我们在早上四点、下午四点和晚上12点会对所有数据库做全备份。
Flight AF 447 left Rio de Janeiro on Sunday at 7 pm (6 am, Beijing time) and had been expected to land at Paris`s Roissy Charles de Gaulle airport Monday 11:15 am (5:15 pm, Beijing time).
据悉,失踪的AF447航班于上周日晚7点(北京时间凌晨6点)从里约热内卢起飞,预计于本周一早11:15(北京时间下午5:15)抵达巴黎戴高乐机场。
The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.
根据功放的实测AM-AM、AM-PM特性,采用时域分析方法,并应用带通非线性理论和数字信号处理技术,分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。
The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.
根据功放的实测AM-AM、AM-PM特性,采用时域分析方法,并应用带通非线性理论和数字信号处理技术,分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。
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