First, the defmation and status of height datums is introduced and some problems on the local height datums established by the mean sea level, which is defined by the tidegauge data, are discussed.
首先介绍了高程基准的定义与现状，指出了用验潮站长期平均海平面建立局部高程基准所存在的问题；
2
The prospect of this kind of tidegauge is addressed after making a comparison with other tide gauges in foreign countries.
最后，还就目前世界上使用的压力式验潮仪与该仪器作了简明的比较，提出了该仪器广泛的应用发展前景。
3
The data observed at Wusong and Huangpu Prak tidegauge stations are of a good corresponding relationship with the direct economic loss resulted from disastrous typhoon.