用此条件判断，很自然地得出：在短周期变化中可能存在拍现象。
Using this conditions, we can naturally obtain the following conclusions: it is possible for the beats to exist in short period variations.
毫无疑问的，这种变化在那些生命周期短，繁殖迅速的植物——如草本植物、蕨类和苔藓类——中体现的更为明显。
Quickest to relocate, not surprisingly, were plants such as herbs, ferns and mosses with shorter life spans and faster reproduction cycles, the researchers said.
重力测井具有探测范围大、受井径变化影响小、重复观测周期短、不受目的层埋深限制等优点。
Gravity log has such advantages as wide investigation range, small effect of caliper variation, short repeated observation cycle, no limit for depth of the interested zone.
此线的东北与西南，地磁湾扰、磁暴急始等短周期事件垂直分量的变化△z呈现反号。
Z (Changes in the Vertical field) for the sudden storm commencements and geomagnetic bays to the northeast and southwest of this line appear opposite in signs.
本文使用地磁短周期转换函数和提取地磁局部异常的方法，对菏泽5.9级地震前后地磁场的变化进行了再研究。
Using the short-period conversion function and extracting local anomaly from the geomagnetic field, we have re-studied the variation of the geomagnetic field before and after the Heze 5.9 earthquake.
分析了线缆材料在拉萨自然环境试验站中1 ~2年的短周期试验性能变化。
Changing of performances of cable materials in Lhasa within 1 to 2 years' testing period was analyzed.
特别是短周期的地磁异常变化与地震发生前后的地磁扰动密切相关。
It is closely relationship between the short period geomagnetic anomalies and disturbance before and after the earthquake.
中国春季干旱指数大多存在5 ~8年的短周期年际周期变化，12 ~13年、15 ~16年的长周年际周期变化存在于部分区域，个别区域还存在20年长周期年际周期变化。
It is proved that the drought index exists 5 ~ 8 a period in the most areas, it exists 12-13 a and 15-16 a period in some areas, it also exists 20 a period in specific area.
与南太平洋sst的年代际变化相比，南印度洋sst的变化周期要相对短一些。
The interdecadal variability of SST has shorter periods over the South Indian Ocean than over the South Pacific Ocean.
层析成像结果较好地揭示了地壳内部、尤其是浅部地壳的横向速度变化。短周期的群速度分布同地表地质结构、地形密切相关；
The maps at short periods reveal an evident lateral heterogeneity in the crust of North-China, quite well in agreement with known geological and tectonic features.
与实测资料比较发现，两者变化趋势基本一致，在短周期波时吻合较好。
The theoretic model is consistent with the observations, especially for short period wave.
与实测资料比较发现，两者变化趋势基本一致，在短周期波时吻合较好。
The theoretic model is consistent with the observations, especially for short period wave.
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