1. Uncertified alterations or erasures shall invalidate the certificates. 证书未经证明而涂改应属无效。
2. Fountain code is record-breaking sparse-graph code for channels with erasures. 喷泉码是一种在删除信道下性能优越的稀疏矩阵码。
3. In the past you typed up a list, but now your list is a scribbled mess of erasures, notes, and coffee stains. 在过去您已经手工制作了清单,但现在此清单已是字迹模糊、注解连篇,汗迹斑斑。
4. After the lapse of a good quarter of an hour, and some erasures, Thenardier produced the following masterpiece. 经过了足足一刻钟和几次涂改之后,德纳第编出了这样一张杰作。
5. The company that carried out the analysis flagged all classrooms that showed a number of wrong-to-right erasures exceeding three standard deviations from the mean. 进行这次分析的公司给所有班级做了标记,这些班级存在大量不符合三个与意思偏离标准的错改对的现象。