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- Underwater Tracking Range 水下跟踪距离
- PLL (phase lock loop) with PFD (phase-frequency detector) have been widely used in recent years.Reason for their popularity include extended tracking range, lower tracking time and low cost. 摘要锁相环(PLL)是一个闭环相位自动控制系统,能够利用一个精确且稳定的频率产生一系列频率准确的信号,为系统内部的其它模块提供稳定的高频时钟。
- Portable Underwater Tracking Transducer 便携式水下跟踪转换器
- Submarine-Mounted Underwater Tracking System 潜艇安置的水下跟踪系统
- Askania Cine-Theodolite Optical Tracking Range 阿斯卡尼亚电影经纬仪光学跟踪距离
- Mobile Open Ocean Tracking Range 公海流动跟踪靶场
- Ultra-Short Baseline Torpedo Tracking Range 鱼雷跟踪频段超短基线
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- This machine has been specially adapted for use underwater. 这机器是为水下使用而特别改装的。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- This machine has been specially adapted for underwater use. 这机器是为水下使用而特别改装的。
- The Realization of Tracking Range Radar Training-Simulator based on CPLD 基于CPLD的雷达模拟训练器跟踪测距实现
- Tracking wild animals requires great stealth. 跟踪野生动物必须悄然无声。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- The underwater shots range from interesting to breathtaking. 水下镜头有趣惊险,无奇不有。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。