查询词典 PEC
- 与 PEC 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Time-Frequency analysis method is applied to the analysis of PEC signals with the aim of discriminating the occurrence of corrosion from the simultaneous variations of lift-off, smoothed pseudo Wigner-Ville distribution is used to get the signal spectrum map. The method of extracting the lowest energy area as the classification eigenvalue is proposed, and a good classification result is acquired.
采用时频分析的方法对同时出现腐蚀缺陷和提离变化的情况进行了识别，利用平滑的伪Wigner-Ville分布得到了信号的谱图，提出了提取谱图中最低能量区域面积作为特征量进行识别的方法，取得了较好的识别效果。
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The contents of TOC, DOC, POC and PEC are generally higher in the samples of wet-season than that in the dry season.
干季降雨的平均TOC含量为5.65 mg/l，平均DOC含量为3.26 mg/l，平均POC含量为2.48 mg/l，平均。
- 推荐网络例句
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He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.
他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。
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Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.
隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。
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You can laud them for speaking their minds, or you can criticize them for their big mouth, but you cannot deny that these retorts, rebuttals and asides add much needed color to an otherwise drab portrait of Chinese officialdom.
你可以赞扬他们直抒胸臆，也可以骂他们的大丑嘴巴，但你不能否认，这些反驳和旁白为中国官场众生相添加了新的色彩。