Maximum observed frequency in HF backscatter ionogram and day variblelaw of slope distance.
高频返回散射电离图中最高观测频率、斜距的日变化规律；
Simultaneously, a migration imaging technique using the whole MT observed frequency bands information was realized.
同时实现了可包含所有观测频率信息的全频段MT偏移成像技术。
When biologists say that they have observed evolution, they mean that they have detected a change in the frequency of genes in a population.
当生物学家说他们观察到进化时，意思是他们发现了一个种群中基因频率的变化。
Models of acute crush injury of sciatic nerve in rabbits were established, and were (observed) by high-frequency ultrasonography 1, 2, 4 and 8 weeks respectively after damage.
建立兔坐骨神经急性挤压伤模型，损伤后第1、2、4、8周，分别应用高频超声在同一水平上观察双侧坐骨神经的变化。
The phenomena of ice-induced steady state vibration and frequency lock-in between ice force and response were observed on offshore platform.
在海洋平台上观测到了冰致结构的稳态振动，以及冰力和平台响应问的频率锁定现象。
This paper points out that the first-order perturbation photon flux produced by this system has not observed effect when GWs is different from frequency of Gaussian beam.
笔者指出，当入射引力波和高斯束不同频率时，高斯束谐振系统产生的一阶扰动光子流没有观测效应。
Based on observed signals analysis and comparison in time - domain and frequency -domain, the method of distinguishing interfere signals and abnormal electromagnetic radiation signals is given.
基于对观测信号的时域、频域分析的比较，给出了干扰信号与异常电磁辐射信号的判别方法。
Methods: the effect of gi on frequency of angina attacks, ECG, nitric oxide (NO) and endothelin (et) were observed and contrasted with that of nitroglycerin.
方法选择硝酸甘油针剂作对照，观察其对心绞痛发作频率、心电图、一氧化氮(NO)及内皮素(et)的影响。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
The frequency locking, frequency jump between neighboring modes and the hysteresis phenomenon are observed.
观察到锁频，相邻模式间的频率跳变及滞后等现象。
No severe adverse events were observed in either group. The frequency of events was generally similar between the two groups.
两组观察中无严重不良事件。两组间事件的发生率相似。
The phenomenon of beats can be observed directly on the double-channel oscillograph and the frequency of alternating current can be measured by the vibration curve of the beats.
在双通道示波器上可直观地观测拍现象，并利用拍振动曲线测量交流电的频率。
It was found that no significant change in the frequency of intestinal contraction was observed in all groups.
结果观察到各组照后小肠收缩频率无明显改变。
The results showed that the proposed model could produce infrasound which frequency agrees well with the observed and it might be a true mechanism of infrasound abnormality formation.
提出的孕震体膨胀-收缩模型的确能在空气中产生次声波，且次声波的主要频率是孕震体膨胀-收缩周期的倒数；
The flowering phase and dynamics, insect visitors and their behavior and visiting frequency were observed, and the breeding system, pollen-ovule ratio (P/O) and pollen viability were determined.
的开花物侯、开花动态、访花者的种类、行为和访花频率，并对其繁育系统、花粉-胚珠比（P/O）、花粉活力进行了检测。
Frequency-locked states with their winding numbers which form the devil's staircase are observed in this kind of lasers.
观察到了此类激光器的锁频状态，其绕数按照法瑞树的规则组成魔梯。
The results showed that the recombination frequency of these rMVAs was significantly high, though lower than that observed in other vaccinia virus strains.
结果显示，MVA同源重组频率虽然比其他痘苗病毒株要低，但仍然是较高的。
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。
Brillouin frequency and coefficient of energy transfer was measured. The phenomenon observed was discussed in the paper briefly.
测量了布里渊频移及能量转换率，对所观察现象进行了讨论。
I have been to fly fields and observed various frequency control practices.
飞场频率管控对飞行安全极为重要。
With computer technology and the method of analyzing the frequency spectrum, the authors observed the action of Qigong in delaying the reduction of intelligence in the aged.
本文报道利用微机技术和频谱分析方法，观察了气功延缓老年智能减退的作用。
CLK signal generator with adjustable frequency, gradually changing the frequency of observed changes in scan frequency effect on the output.
CLK采用频率可调信号发生器，逐渐改变频率，观察扫描频率的改变对输出效果的影响。
Methods 114 patients of liver tumor were treated with multiple electrodes radio-frequency for 170 times, clinical complication and its prevention and cure were observed.
方法对114例肝肿瘤病人进行了170次多电极射频治疗，临床观察治疗后的并发症及防治情况。
The phenomenon of the oscillation burning has been observed and recorded, and the relationship of the concentration of the reactant with the frequency of the oscillation has been obtained.
对振荡燃烧现象进行了观察和记录，得到了各反应物与振荡燃烧现象的关系。
When a vibrating source of waves is approaching an observer, the frequency observed is higher than the frequency emitted by is lower than that emitted.
当振动着的波源逐渐靠近观测者时，测量到的频率比从波源发出的频率高。
The transient peak voltage of the heterojunctions were observed when the laser was turned on and off, and increased with chopping frequency and showed saturate tendency finally.
在激光打开和关闭时，都观测到了异质结光伏信号的瞬态响应峰值，且该峰值随斩波频率不断增大并在频率较大时趋于饱和。
Methods 17 patients with plexus venosus leg muscle thrombosis were examined by high-frequency ultrasonography, and their therapeutic effect was observed.
方法对17例小腿肌间静脉丛血栓患者行高频率超声检查，并进行疗效观察。
Got some rules can not be observed in the frequency spectrum: there are some line spectrums that have a certain relationship with the fundamental frequency.
得到了一些在频率谱图中无法观察到的规律：存在一些与基波频率有着一定关系的线谱。
Methods Peak systolic blood flow changes of carotid artery and basilar artery in the patterns and frequency were observed by Transcranial Doppler in 94 cases of hypertension.
方法利用经颅多普勒检测94例高血压病的颈内动脉和基底动脉收缩峰血流的改变及频普的形态。
Methods Peak systolic blood flow changes of carotid artery and basilar artery in the patterns and frequency were observed by Transcranial Doppler in 94 cases of hypertension.
方法利用经颅多普勒检测94例高血压病的颈内动脉和基底动脉收缩峰血流的改变及频普的形态。
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