此外，统计还显示出许多耀斑爆发前谱斑亮度可能有着1—2天的周期性变化。
Besides these, the statistics tells us that flocculi brightness may have 1-2~d periodic changes before the outbursts of flares.
利用统计方法重建了光子相关谱信噪比的散斑判据，并分析了散斑判据的物理意义。
A new signal-to-noise ratio criterion-speckle criterion for photon correlation spectrum was established by use of the statistical method, and its physical significance analyzed.
该方法可用于改造水稻对白叶枯病的广谱抗性和对水稻细菌性条斑病的增强抗性。
The method can be used to engineer broad-spectrum resistance of rice to bacterial blight and enhanced resistance to bacterial leaf streak.
雨滴色斑面积叠合度是影响滤纸法测算雨滴滴谱精度的主要因素。
The degree of the overlapping raindrop stains is a main factor influencing the accuracy evaluating the distribution of the raindrops.
对焦斑点功率谱的分析表明谱色散平滑通过抑制焦斑中高频的频谱强度达到平滑效果。
The result power spectrum analyses of focal spot show that the smoothing effect is caused by middle and high frequency intensity suppression.
对焦斑点功率谱的分析表明谱色散平滑通过抑制焦斑中高频的频谱强度达到平滑效果。
The result power spectrum analyses of focal spot show that the smoothing effect is caused by middle and high frequency intensity suppression.
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