The former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals.
离线校正的方法是现阶段单脉冲雷达系统进行和差通道幅相校正采用的主要方法,它通过注入测试信号的方法来得到对误差接收通道幅相特性的估计。
Seven years ago, biochemist Zheng Cui of Wake Forest University was conducting a routine experiment, injecting test mice with a strain of cancer cells so aggressive it caused a 100 percent death rate.
七年前,威克森林大学的生物化学家崔政正在进行一个常规的试验:他给试验鼠注射一种攻击性很强的癌细胞,致死率100%。
This article concludes the test result of the internal puddler about injecting the bituminous and anthracite mixed coal.
本文归纳了国内炼铁工作者关于高炉喷吹烟无混合煤的试验结果。
Basically, injecting it into some test subjects, making sure that they didn't get diseased from it and looking at antibody responses to see if it worked and it did.
他们把疫苗接种到测试对象体内,确定接种者不会感染疾病,同时观察抗体的应答反应,了解疫苗是否有效
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