例句與造句

1. Application of gps - rtk bathymetric survey technique without tidal observation in yangtze estuary channel regulation project
   無(wú)驗(yàn)潮水深測(cè)量技術(shù)在長(zhǎng)江口航道治理工程中的應(yīng)用
2. It's difficult to find tidal observation in a sentence. 用tidal observation造句挺難的