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突变发生 [tū biàn fā shēng]
mutagenesis
rna heterogenesis
rna heterogenesis
- 如果没有其他突变发生作用，这种转变耗时不到两年。
This transformation occurs within about two years, before another mutation can develop. - 突变，变种突变发生的过程，是通过基因的脱氧核糖核酸密码的核苷酸顺序的改变或者通过染色体内部的物理重新排列。
The process by which such a sudden structural change occurs,either through an alteration in the nucleotide sequence of the DNA coding for a gene or through a change in the physical arrangement of a chromosome. - 理论计算表明，应用小波包分析技术不仅可以确定信号的突变点，而且可以在全频范围内确定信号的突变发生的时间及程度。
The theoretic calculation shows the analysis mothed of wavelet packet not only can confirm the abrupt change point of the signal, but alse can confirm the fault degree and time in all frequency spectrum.
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