海域水文资料的不断丰富和声速仪的广泛使用，推动了水深声速改正精度的提高。
The accuracy of depth reduction has been improving with the continuous accumulation of hydrographic data and widely application of sound velocity profiler.
在影响多普勒计程仪测速精度的多种因素中，以声速的影响为最大。
Among the factors which affect the accuracy of Doppler log, the speed of sound is the most important one.
在影响多普勒计程仪测速精度的多种因素中，以声速的影响为最大。
Among the factors which affect the accuracy of Doppler log, the speed of sound is the most important one.
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