一般说来，残留脊线具有清晰的脊线结构，单单采用基于指纹图像的特征参数很难将其有效分割。
In general, remaining ridges are of clear structure. Which makes it difficult to identify remaining ridges from the interested regions merely by characteristic parameters of fingerprint image.
盖迪阿希尔说，是沿着一个大的三角洲和发现的海岸线证据，包括海滩积累的残留下来的一系列的交替脊和浪谷。
Di Achille said the shoreline evidence was found along a broad delta and included a series of alternating ridges and troughs thought to be surviving remnants of beach deposits.
为了提高脊波导结构的超辐射二极管（SLD）与单模光纤的耦合功率，研究了有源区与脊之间的残留层和上光限制层的厚度对SLD输出功率和近场光斑的影响。
With the aim of achieving high coupling power of RWG SLDs into SMFs, the structure dependences of the output power and the near field pattern are investigated.
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