在室温拉伸时长周期减小，拉伸试样再热处理时，长周期又逐渐增加。
It is shown that long period reduces when the samples are stretched at room temperature. However it increases after thermal treatment.
谱强度与归一化光场强度和相对论因子乘积的平方均成正比，载波包络函数使光场中电子运动的时间和空间周期减小；
The spectral intensity was proportional to the square of the product of normalized light field intensity and electronic relativity factor.
如果绳子的长度，有些微的减小，周期就会变短一点。
And if the length of the string is a little less, the period would be a little shorter.
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