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- pulse polarity selector 脉冲极性选择器
- It is proved that the high frequency voltaic sensor and improved differential system and pulse polarity discriminating system can meet the requirement of partial discharge on-line detection system. 通过模拟实验证明，论文所设计的传感器和抗干扰系统配合使用能够提高检测系统的检测灵敏度和抗干扰能力，满足了在线检测系统的设计要求。
- The two systems of government are polar opposites. 这两种政体正好相反。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- polarity selector 极性选择器
- pulse polarization binary modulation 脉冲极化二进制调制
- the polarity selector 极性选择器
- He knew the pulse of the nation. 他了解国民的心态。
- The doctor took my temperature and my pulse. 医生量了量我的体温和脉搏。
- The excitement quickened my pulse. 激动使我的心跳加快。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- He knew the pulse of the people. 他了解人民的意向。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- Set the main switch selector to A (auto). 把主选择开关调至A(自动)。
- Pul is a short form for pulmonary. 应该是肺部气体栓塞吧!
- Anomalous Pul mo nary Venous Drainage=? +肺静脉畸形引流=？
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
