潮汐

The tides are caused by the attraction of the moon for the earth.

潮汐是由月亮对地球的力起的。

Some scientists are working hard at how tide can be harnessed to produce electricity.

有些科学家正在努力研究怎样利用潮汐发电。

The nonharmonic constants of tide are important to harbour engineering,shipment and military affairs.

潮汐非调和常数对港工建设、航运和军事活动等非常重要。

A prothonotary warbler adds a splash of gold to a tableau of cherry blossoms along the Tidal Basin in Washington, D.C.

华盛顿潮汐湖畔，只食虫莺为樱花盛开的生动场面增添黄金色。

At present the research of the deep water tractive current deposition mainly focus on contourite and internal tide, internal wave deposition.

目前深水牵流沉积的研究主要等深流沉积和内潮汐、内波沉积。

A mathematical model of tide zoning correction is proposed.Based on the computational model, a new tidal correction mode using single suppositive grid tide station is designed.

摘要提出种顾及潮时差变化的多验潮站多边形潮汐分区改正数学模型，设计海量多波束数据通用的虚拟单验潮站改正模式。

Diurnal tide and tidal current at different times and the eulerian residual current are calculated,also the cotidal line,the iso-amplitude curves and the distribution of tidal current ellip...

应用该模型可以较系统地解罗源湾全日潮的潮汐、潮流状况。

The paper has summarized systematically evolutionary law in time and space on petrofacies and paleogeography of Late Paleozoic era in Northern China and distributive law of depositional systems.

根据华北晚古生代沉积岩系的环境标志,识别出29个相,归并为冲积扇、河流、三角洲、潮汐砂滩、碳酸盐台地等6个沉积体系。