盲

Methods: In this prospective, singleblinded, controlled clinical trial, thirtyone patients with gastric cancer operatively treated were randomly divided into two groups, with 14 patients in control group and 17 in study group.

采用前瞻性、随机、单盲、对照研究，将31例胃癌手术患者随机分为对照组14例和研究组17例。

A series of ultrajets are developed, such as 1MD3 perforating gun, inner blind hole perforating gun, unconfined perforating gun, and so on. A series of efficient perforating technology are also optimized and assembled, such as recombination perforating, orientable perforating, tubing conveyed perforating and production string combination operation technology, and so on.

结合大庆油田薄差层的地质特征，开发出了1MD3射孔器、内盲孔射孔器、无围压射孔器等高效射孔器，同时优选配套了包括一体复合射孔工艺技术、定方位射孔工艺技术、选发射孔工艺技术等系列高效射孔工艺技术。

At first,the mixture matrix is changed into orthogonal matrix by using whitened mixture signals.

该算法先采取白化混叠信号将混叠矩阵转换为正交矩阵，然后基于QR分解理论，将混叠信号进行一系列初等旋转变换，并结合源信号相互独立时互信息量最小的特点，导出了一种新的自适应盲分离算法。

School of Information Engineering,Zhengzhou University,Zhengzhou 450052,ChinaA novel chirp-typed watermarking scheme which uses the properties of index additivity and orthonormality of fractional Fourier transform to embed watermark in the different fractional Fourier domain is presented.

提出了一种新的分数阶Fourier域Chirp类数字水印方案，该方案利用分数阶Fourier变换基函数的正交性和旋转相加性，在不同的分数阶Fourier域嵌入Chirp水印，并利用分数阶Fourier域Chirp信号的聚集性进行盲检测。

Report from our correspondent " unlined upper garment, skirt, pants, commodity, I am bought on the net," already the net that experience shops 5 years on the net goes up " blood goes all out a group of things with common features " osmund osmund say, The net store above the network is so much now, I choose which net inn to undertake consumption is not blind, I can check its public praise and credit on preexistence net.

本报讯 "衫、裙、裤、日用品，我都是在网上买的，"已经有5年网上购物经历的网上"血拼族"薇薇说，"现在网络上面的网店那么多，我选择哪一家网店进行消费并不是盲目的，我会先在网上查它的口碑和信誉。"

The Multicenter Osteopathic Pneumonia Study in the Elderly was a registered, randomized, controlled, double-blinded, clinical trial that sought to assess the impact of adjunctive osteopathic manual medicine techniques in the treatment of patients over the age of 50 who were hospitalized with community-acquired pneumonia.

骨科的肺炎多研究老年是一个注册中心，随机，对照，双盲临床试验，力求产生的影响进行评估人工辅助骨科医学技术治疗50岁以上的住院谁社区获得性肺炎。

I can outscore a whole team, you can only sit here shouting "I can play"...

syh都能被说成是球盲，那象我这样的简直都没脸在虎扑混了。

The overdetermined BSS problem is studied.

研究了观测信号不少于源信号个数的超定盲信号分离问题。

Despite the occasional overhanging branch, I can usually walk confidently with the use of my long cane.

尽管可能碰到低垂的树枝，但是我仍然可以拿着盲杖大胆的出行。

The simulation results show that the proposed method can solve the blind separation of overlapped chaotic signals with noise effectively.

仿真实验的结果表明，该算法能有效地解决重叠混沌信号的盲分离问题。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。