正确确定初相和任意时刻的相位，对于解决振动和波动问题至关重要。
It is important for solving the problem of vibration and wave to determine correctly initial phrase and phrase at any moment.
提出了一种基于误差知识的二重插值DFT方法用于高精度时钟初相测量。
A high performance measurement of initial phase via a Dual Interpolated DFT method based on error information is presented.
两个初相不同的相参信号由两个在空间上正交的线极化天线单元辐射，将形成椭圆极化波。
Two coherent signals with different primary phases radiated by two orthogonal in-space linear polarization antenna elements form an elliptical polarization wave.
在初晶相为鳞石英的平板玻璃中加入千分之几的P_2O_5后对析晶性能的影响与初晶相为硅灰石的平板玻璃是不同的。
The effect of addition of P_2O_5 in a few thousandths on the devitrification behavior of plate glass with primary phase of tridymite is different from that with primary phase of wollastonite.
全波模型震相分析法可用来研究震相的初动方向。
The full wave model phase analysis can be used to study the first motion direction of waves.
三叠纪末或早侏罗世初，开阔的谷底沉积了山间河流相的杏石口组。
At the end of the Triassic or at the beginning of the Early Jurassic, the intermontane fluvial Xingshikou Formation was deposited on the bottom of the open valley.
三叠纪末或早侏罗世初，开阔的谷底沉积了山间河流相的杏石口组。
At the end of the Triassic or at the beginning of the Early Jurassic, the intermontane fluvial Xingshikou Formation was deposited on the bottom of the open valley.
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