这根承载着118个化学元素符号的头发取自绿色化学领域的专家马丁·波利亚科夫教授。
The symbols of all 118 elements were etched into the strand of hair taken from Professor Martyn Poliakoff, an expert in green chemistry.
一些试验表明，符号位水平迭加方法强调反射波的相干程度，因而在剖面上突出了弱反射波。
Some experiments show that the sign bit horizontal stack method emphasizes the coherence of reflections, thus weak reflections on the section are enhanced.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
它的天文符号是，是希腊神话的海神波塞冬使用的三叉戟。
Its astronomical symbol is, a stylized version of the god Neptune's trident.
立足于小波的构造，比较深入地探讨了尺度函数和小波函数的两尺度符号与小波构造的紧密关系。
Basing on the construction of wavelet, discuss the close relation between the scaling function and wavelet function's two scale symbol and wavelet construction.
在此情况下可以对输入数据符号进行加权处理，从而得到一类MS K信号，这类MS K信号仍为等幅波、相位仍保持连续。
In these situations, one might apply additional input pulse weighting to form a class of MSK type signals which still maintain constant envelope and continuous phase.
ZBP不仅充分利用了零树符号之间的相关性，而且从位数据的层面上挖掘出了小波系数值之间的相关性，从而提高了算术编码的性能。
ZBP exploits the correlation among the Zerotree symbols and the bit data of wavelet coefficients, so the efficiency of arithmetic coding is improved.
波在某段距离传播的时间，与速度的倒数成正比，在声测井中，以每英尺多少毫秒来量度，用符号t或DT表示。
The amount of time for a wave to travel a certain distance, proportional to the reciprocal of velocity, typically measured in microseconds per foot by an acoustic log and symbolized by tor DT.
虽然当前对小波变换系数幅值进行编码已有了比较高效的算法，但是现行的小波编码算法对小波变换系数符号的编码并非如同对幅值的编码那么有效。
While efficient algorithms exist for coding the transform coefficient magnitudes, current wavelet image coding algorithms are not as efficient at coding the sign of the transform coefficients.
本文采用理论分析和符号运算相结合的方法研究有限深分层流体有限振幅内孤立波。
The finite amplitude solitary waves in stratified fluids of finite depth, in which the density varies with depth in lower layer but keeps uniform in upper layer, are investigated.
本文采用理论分析和符号运算相结合的方法研究有限深分层流体有限振幅内孤立波。
The finite amplitude solitary waves in stratified fluids of finite depth, in which the density varies with depth in lower layer but keeps uniform in upper layer, are investigated.
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