The frequency range of R-wave has been determined by use of frequency analysis.
并且根据频谱分析的方法确定了瑞利波的频率分布范围。
The ground vibration by demolishing building mostly spreads with S-wave, P-wave, R-wave.
爆破拆除塌落触地产生触地震动，主要以S波、P波和R波三种地震波的形式向外传播。
The effective range of P-wave, S-wave, R-wave could be analyzed from the contours of dynamic stress.
从动应力等值线图上也可分析出强夯作用时压缩波、剪切波、瑞利波的作用范围。
This research is mainly composed of two parts: one is the electrocardiosignal collection system composed of hardware circuit while the other is the R-wave synchronized detection.
本研究主要包括应用硬件电路构成的心电信号的采集系统和R波同步检测。
The variation of R wave amplitude has little relation with cardiac output, heart pumping function, especially with pulmonary wedge pressure.
波振幅的改变与心输出量及心脏的泵血功能，尤其是肺动脉楔压之间无明显关系。
Objective To estimate clinical significance of poor R wave progression in precordial leads.
目的探讨胸导联R波递增不良的临床意义。
R wave has characteristic dispersion in layered media.
在层状介质中，瑞雷波具有频散特性。
R wave velocity is mostly relative to the nature of media in which wave can penetrate.
瑞雷波波速主要与其穿透深度范围内的介质物理性质有关。
This paper transplants a program for slamming moment and wave exciting moment, and utilizes the B-R criterion.
本文移植二维水弹性砰击与波激力矩程序，应用B - R准则，以相对应的静态屈曲阈值为基点搜索动态屈曲。
Based on the experiments of 1000 sets of concrete parts in room for a year, the relations formula and curve for concrete strength (r) and stress wave velocity (v) are determined.
本文依据一年来的室内1000组混凝土试件试验，率定出混凝土强度(r)与应力波速(V)相关公式及曲线，在工程检测精确计算中具一定的参考价值。
In passive millimeter wave image restoration, L-R algorithm is a simple and effective nonlinear method.
在被动毫米波的图像恢复中，L - R算法是一种简单而有效的非线性方法。
We also obtain the variation of the radial dispersion of velocities with r through the stability of the density wave in three-dimensional dishlike galaxies.
同时，从三维盘状星系密度波的稳定性讨论推出了径向速度弥散度的变化规律。
The peak velocities of the early systolic reversal wave (PVR) and the systolic forward wave (PVS) were measured. The relationships between the preceding R-R intervals and PVR, PVS were analyzed.
应用经食管超声心动图测量肺静脉血流频谱曲线收缩早期逆向R波峰值流速（PVR）和收缩期S波峰值流速（PVS） ，分析PVR和PVS与其前心电图R R间期的关系。
There were two kinds of R-P-period and P-wave or atrial fusion wave in anterior AVRT.
顺向型房室折返性心动过速时，出现两种不同的R-P-间期和P-波或房性融合波。
Results R(r) wave amplitude with the right forehead as the reference point was significantly larger than that with the central terminal as the reference point (P<0.05).
结果以右前额为参比点记录的心电图R（r）波振幅比以中心电端为参比点的心电图R（r）波振幅大，具显著性差异（P<0.05）。
Results R(r) wave amplitude with the right forehead as the reference point was significantly larger than that with the central terminal as the reference point (P<0.05).
结果以右前额为参比点记录的心电图R（r）波振幅比以中心电端为参比点的心电图R（r）波振幅大，具显著性差异（P<0.05）。
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