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While embedding watermarking, the watermarking sequences are produced by the chaos system,and are embedded into the low frequent coefficient of DWT domain to guarantee the robustness of watermarking.

该技术在水印嵌入时,由混沌系统生成水印序列,并在离散小波变换的低频子带上嵌入水印,保证了水印的鲁棒性。

The phylogenetf ic tree based on the nucleotide sequences of the ATPase8 and ATPase6 gene showed that the Columba livia had the most closed genetic relation with the Streptopelia orientalis.

家鸽与其他5种鸟类的ATPase8和ATPase6基因序列同源性的分子进化树聚类结果表明家鸽与山斑鸠亲缘关系最近。

Finally we discuss the collectively compact Toeplitz operator sequences on Dirichlet space.it extend the single compact operator.

最后对Dirichlet空间上的Toeplitz算子序列的总体紧性进行了刻画,这是单个算子情形的推广。

Quotient space ; granular computing ; structural machine learning method ; meteorological time series ; grey model

商空间;粒度计算;构造性机器学习方法;气象时间序列;灰色模型

Based on macromorphological and micromorphological characters, as well as conidium ornamentation observed with scanning electron microscopy, Aspergillus sp. D-l was affiliated to Aspergillus Section Versicolores. Further, DNA sequence of the internal transcribed spacer was used as the molecular characteristic, and analyzed with the DNAMAN 5.2.2 program and the Mega 3.0 program.

采用真菌核糖体基因内转录间隔区序列作为分子标记,利用DNAMAN 5.2.2和Mega 3.0等软件对其进行同源性和进化关系分析,在种的水平上将Aspergillus sp.D-1归属为Aspergillus versicolor,并将该菌株命名为A.versicolor D-1。

In this paper,with the aid of the w~*- sequential compactness of bounded closed balls in the conjugate space of a separable space,we proved that the convex hull of a finite union of bounded closed balls in l~∞ is closed.

借助可分空间的共轭空间中有界闭球的弱星序列紧性,证明在无穷维数列空间l∞中有限个闭球之并的凸包仍为闭集

To solve this problem, we consider that use of tissue-specific regulative elements in construction of plasmid vector for molecular conjugate vector may limit the expression of foreign gene to targeting cells further.

为解决这一问题,我们考虑在构建分子偶联载体中的重组质粒表达载体时,应用组织细胞特异性调控序列,以期在转录水平进一步限制外源基因的表达于靶细胞中,从而保证受体介导基因转移的靶向性,同时可望导致外源基因的高效表达。

By analyzing the characteristics of the extracelluar domain of YWK-II antigen, a segment of 127AA which was just connected with the trasmembrane domain was found to be with high divergence in comparison with APP.

分析YWK-II抗原胞外区序列特征后发现,其有一个紧接于跨膜区的127个AA残基区域与APP无显著同源性。

To compare the image quality of the three sequences in two groups by One-Way ANOVA and T Test. The qualitative assessment standards include clarity, artifacts, signal uniformity, the conspicuity of enhanced vein and the observable grade of intrahepatic venous branchs. The quantitative assessment standards include SNR and CNR of intrahepatic portal vein and hepatic veins. Furthermore, the anatomy and variations of the intrahepatic portal vein and hepatic veins are statistical analysed.

通过方差分析和T检验分别对A、B组三个序列的图像质量进行比较,评定标准包括清晰度、伪影、信号均匀性、静脉强化程度及肝内静脉分支显示级数等定性指标和肝内门静脉、肝静脉的SNR(Signal-Noise Ratio,信噪比)及CNR(Contrast-Noise Ratio,对比度噪声比)等定量指标。

By using the cone theory, t he existence and uniqueness of solution of nonlinear Fredholm type integral equations on an infinite interval can be obtained without the assumption of continuity and compactness condition.

利用锥理论,在不需要非线性项满足连续性和紧性条件下,获得无穷区间上Fredholm型积分方程解的存在唯一性,并给出逼近解迭序列的误差估计。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。