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- radar mean frequence 雷达中频
- radar mean frequency 雷达中频
- The results showed that the fetal-heart rate obtained by computing from the autocorrelation waveform based on the smoothed mean frequency shif... 通过对实际超声多谱勒胎音信号的处理,获得了较好的结果,提取出了稳定、平滑的胎心率曲线,较准确地计算出了胎心率。
- By varying the blood volume fraction (Vb) , we investigated the effect of multiple scattering on the total frequency shift and the mean frequency shift. 指出在血球浓度较小时,平均频移反映红血球的平均速率,在浓度较高时反映红血球的均方根速率;
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- Each mean amplitude increased from proestrus on, with a maximum for uterus in metaestrus and for ileum in estrus, when mean frequency of both was random under all conditions studied. 二者动作的平均幅度均自求偶前期起著增加。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Do you mean say we are met for a thunder storm? 你肯定我们会遇到一场雷雨？
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- I feel mean for not doing more for my son. 我对没为我儿子多做点事而感到惭愧。
- The ship was provided with radar equipment. 那船装有雷达设备。
- Defeat in this election would mean he was done for. 这场选举的失败意味着他政治生涯的结束。
- There are enemy aircraft on the radar screen. 雷达萤屏上出现了敌人的飞机。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- Our radar pinpointed the attacking planes. 我们的雷达确定了来袭敌机的精确方位。
- I have no conception of what you mean. 我想不出你的意思是什么。
