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- By using the data of FHD vector proton precession magnetometer in the 1.0 min. sampling rate, we preliminary analyzed the anomalies of daily-variation spatial correlation before an earthquake occurred in this paper. 摘要应用FHD磁力仪垂直分量分钟值观测资料，初步分析了地震之前的日变空间相关性异常。
- proton precession(al) magnetometer 中子进动磁强计
- marine proton precession magnetometer 海洋质子磁力仪
- component proton precession magnetometer 分量质子旋进式磁力仪
- nuclear angular precession frequency 核角进动频率
- The flow field of the precessing jet is obtained by a hot wire anemometer at the nozzle exit and the precession frequency is identified from a power spectrum density analysis to the velocity signal. 用热线风速仪测量出口射流的速度并进行功率谱分析,得到旋进射流的频率及流场特性。
- Analysis of observation error of the declination with bias current by vector proton precession magnetometer 分量核旋仪偏置电流对磁偏角测量的影响分析
- Study of orientation techniques by geomagnetic component proton precession magnetometer 分量质子旋进磁力仪定向方法的研究
- Analysis of observation Error by geomagnetic component proton precession magnetometer 分量质子旋进磁力仪观测误差分析
- Error analysis of Fourier of Z daily variation for ZNC intellec- tual faculties proton precession magnetometer ZNC型智能磁力仪Z分量日变形态傅氏拟合误差分析
- Developments and Applications of Proton Precession Magnetometers in China (An Overview) 质子旋进式磁力仪在我国的发展及应用(综述)
- proton precessional magnetometer 质子进动磁强计
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Study on the influence of the directional error of the vector coil on the declination of FHD vector proton precession magnetometer FHD磁力仪分量线圈装置误差对磁偏角观测的影响分析
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- 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。
- A proton or a neutron, especially as part of an atomic nucleus. 核子质子或中心，尤指作为原子核的一个组成部分
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Proton and neutron form a charge doublet. 质子和中子构成电荷双重态。
- 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。
