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1·The periodic change of water flooding results in the diff…

日注水量越大，高渗透层原油的浸入越多，效果越好；

2·Periodic change imposed on a controlled variable or a function by a controller.

通过控制器控制某一变量或函数进行周期性变化。

3·Automated systems must use individually assigned accounts that require a periodic change of password.

自动化系统必须使用需要定期更换口令的个人担保账户。

4·A periodic change in the distribution of pressure between the North Pole and a circle at about 55degree.

在北极点与大约55度N纬圈之间气压分布的周期性变化。

5·The periodic change of runoff and erosion occurred after the tilling operation and the cutting of grass.

表现为随植被经营利用而出现阶段性的变化，牛鞭草的刈割对退耕地地表径流和土壤侵蚀影响较大。

6·The phenology is the science studying mutual concern among plant, animal and the periodic change of ambient condition.

物候学是研究自然界的植物、动物与环境条件的周期变化之间相互关系的科学。

7·The ZHD and ZWD from different GPS sites exhibit their individual features that ZHD has an obvious periodic change and ZWD is related to weather.

GPS站点测得的静力延迟和湿延迟呈现出不同特征，静力延迟有明显的周期变化，湿延迟的变化与天气过程相关联。

8·The results indicate that periodic change of Be'nard patterns after certain time will stop automatically during pregnant period of strong earthquake.

计算结果表明，在强地震的孕育期，贝纳德花样的周期变化在一定时间后将自动停止。

9·The periodic change of the precipitation led to a same change trend with the streamflow abundant or dry up in Qingshui River, but only with time lag slightly.

降水的阶段性变化特点使清水河也表现出基本相同的丰枯特点，只是时间上略有滞后；

10·Climate rainfall is not only one of main sources of water resources, but also one of major factors affecting periodic change of water resources over this region.

气候降水是该区水资源的主要来源之一，也是影响该区水资源周期性变化的主要因素之一。