doublets

The doublets observed on Changshu Station following the South Yellow Sea middle-intense earthquakes show such variations in spectral ratio slope, but the time scale of one event of the doublets extends to 9 months before the main shock.

常熟台双子地震P波谱比对数斜率时间进程在南黄海地震发生之前也存在这一现象，但出现异常的时间扩大到9个月之内。

Then we explained the cause for three or four doublets with next nearest neighbor effect and the results calculated in terms of binomial distribution in B site cation.

然后用次近邻效应和B位上阳离子二项式分布计算结果解释了出现3套或4套双峰的原因。

The remaining 16 distributed as four triplets and two doublets.

另外有16个标记构成了4个三联体和2个连锁对。

The envelope is called a double of doublets.

这种峰叫做双合双重线.

It was surprising when the alkali spectra showed unmistakable doublets.

当碱金属光谱显示出不容怀疑的双线结构时,是令人惊奇的.