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- Keywords remotely-controlled isolation;subsea pipeline;ELF electromagnetic wave;signal amplification;optimum penetration frequency; 遥控封堵;海底管道;ELF电磁波;信号放大;最佳穿透频率;
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Resistant to penetration by water but not entirely waterproof. 抗水的能抵抗水的渗透但不完全防水的
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- They dazzle the penetration of the composer. 他们使作家的洞察力混乱。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- critical penetration frequency 临界穿透频率
- How much penetration do we have? 入泥多深了?
- It has good penetration and good water resistance. 具有高度的渗透力及良好的耐水性能。
- penetration frequency 穿透频率
- "I know it, and appeal to your penetration. “是的，我知道的，所以来请求你的判断。
- The floor is sealed to prevent water penetration. 地板加了密封涂料防止渗水。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- First by increasing market penetration. 第一是扩大市场渗透。
- High mobile and Internet penetration rate. 流动电话及互联网渗透率甚高。
- The penetration rate is getting slower. 钻速变慢了。
- PROVIDE FULL PENETRATION WELD ALL AROUND? 能提供周围是焊透焊接吗?
- Penetration wounds of the eyeball. 是眼球穿通伤的一种。
