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Advertising
The methods and act of calling something to the attention of the public especially through paid announcements. Also includes the business of preparing advertisements for publication or broadcast.
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潮汐台馬克
Earth science; Mapping science
台將標記對海平面在附近的潮汐計,已確定和其中用於作為參照,潮汐的應變片和潮汐基準的高程。國家大地測量組織按照兩個不同的策略,對潮汐的基準。(a) 一個潮汐的標竿,一旦確定,海拔是保持固定。海平面在潮汐應變片的變化然後不會影響中調配網路連接到該蓋奇點的海拔高度。在時間間隔 redetermined (b) 潮汐台的標高馬克。水準網然後變化中的點的位置與海拔平均 ...