1) Weather period
天气周期
2) natural synoptic period
自然天气周期
3) A cyclic pattern of weather changes.
天气周期变化形式
4) astronomical cycle
天文周期
1.
All of them are thought to be essentially related to astronomical cycles, except the megasequence which may be caused by the long term geothermal cycles on cratons.
除大层序可能是由克拉通规模的热旋回引起的海平面相对变化所造成的外，其他级别的层序可能主要由全球海平面变化旋回所控制，并与天文周期有关。
5) Astronomical period
天文周期
1.
In this article,the control of astronomical periods on the basal-level cycles,as well as methods of the identification of astronomical periods and the division of cyclic sequence by discrete wavelet transformation and spectrum analysis are probed.
探讨了天文周期对基准面旋回的控制作用及应用离散小波变换和频谱分析技术识别天文周期并划分旋回层序的方法。
2.
According to the corresponding relations between ratio of sedimentary cycle thickness and ratio of astronomical period, the sedimentary cycles related to individual astronomical period are ascertained, and the time limitation of these cycles restricted by absolute geologic age.
根据沉积旋回厚度比例关系与天文周期比例关系之间的对应性,判断出与各天文周期相关的沉积旋回,并在绝对地质年龄约束下估算出各沉积旋回时限。
6) astronomical periods
天文周期
1.
The geological cycle is directly relative to the astronomical periods.
地质旋回与天文周期直接相关，可以根据天文周期预测未来的地质变
补充资料：短期天气预报(见天气预报和天气图预报)
短期天气预报(见天气预报和天气图预报)
u。。，，，:‘，anq，yubao短期天气预报见关匀布绍升，二，二一一
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条