So scientists interested in the evolution of earth's climate use these icy formations to gauge local conditions from the past.
所以对地球的气候演变感兴趣的科学家们利用过去冰川的形成来判断目前的情况。
Water line demarcation test should be carried out when starting up and adjusting the subcritical drum boiler, to certify the zero benchmark of the local water gauge.
亚临界压力的汽包锅炉在启动调试时应进行水位标定试验，以确定就地水位表的基准零位。
The Beijing Beatles started out playing in local bars to gauge how much demand there was for the Fab Four's music.
北京甲壳虫首先是在当地酒吧演唱，以估摸甲壳虫音乐有多大需求。
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 tide gauge 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；
When in use of the lens thickness gauge, the force bearing area of the lens is greater, thereby avoiding the measurement errors caused by the deformation due to the local force bearing of the lens.
使用该透镜测厚仪时，透镜的受力面积较大，从而可避免透镜局部受力产生形变而造成的测量误差。
Glass level gauge or magnetic float level gauge will be selected for local liquid level indication.
就地指示液位仪表一般选用磁浮子液位计或玻璃板液位计。
The ocean loading characteristics are studied systematically by using global and local ocean models as well as tidal gauge data, the suitability of global ocean models is also studied.
利用全球和近海海潮模型以及岛屿验潮站数据较系统地研究了海潮负荷特征，反演了全球海潮模型的适定性。
The ocean loading characteristics are studied systematically by using global and local ocean models as well as tidal gauge data, the suitability of global ocean models is also studied.
利用全球和近海海潮模型以及岛屿验潮站数据较系统地研究了海潮负荷特征，反演了全球海潮模型的适定性。
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