例句與造句

1. The purpose of this paper is to transform black - white raster image into vector storage after preprocessing and vectorizing steps . an improved vectorization algorithm is presented after theoretically analyzing and comparing different vectorization methods
   采用模式識別技術，將二值點陣圖像信息通過預處理、矢量化處理等環(huán)節(jié)轉換為矢量信息存儲是本文研究的主要目的。
2. It's difficult to find vector storage in a sentence. 用vector storage造句挺難的