采样

Myoglobin has high negative predictive value and high sensitivity 2·6hours after presentation.

肌红蛋白有高的阴性预示值，在症状发生后的2-6小时采样分析，有高的临床灵敏度。

Myoglobin has high negative pred ictive value and high sensitivity 2－6 hours after presentation.

肌红蛋白有高的阴性预示值，在症状发生后的2～6小时采样分析有高的临床灵敏度。

Little difference of surface sediment grain size was showed between spring tide and neap tide, and the difference of mean diameter was about 9.7%.

表层沉积物大小潮变化较小，两次采样平均差别为9.7％；沉积物年际变化随大通流量和输沙量的变化而变化。

It was going to be a Noah's Ark Sampler -- I had the verse, I knew what colors I ...

这是去是一个挪亚方舟采样器-我有新诗，我就知道是什么颜色。

Berause of the fact that when image resolution is reduced, the image high-frequency characteristics are distorted and the image low-frequency characteristics are held, this method has noiseproof feature and large-scale weak edge detection property.

由于低分辨率采样下图像高频特征失真较大，而低频特征失真较小的原因，这一算法能很好地抑制图像噪声，有效地提取出图像中大尺度弱边缘。

Following the introduction of the basic principle of OFDM, some nonideal effects on the performance of OFDM systems are discussed, such as carrier frequency offset, symbol timing offset and sampling clock deviation.

本文在简要介绍了OFDM的基本原理、关键技术的基础上，针对同步问题进行了深入研究。首先分析了同步偏差中的频率偏差、符号定时偏差及采样时钟偏差对系统性能的影响。

Methods Get the norm of solution vector to the equivalent integral equation using numerical calculation in every sampling point at imaging region,and represent the norm with gray to reconstruct the scattering shape.

方法通过数值计算，求解等效积分方程，获取解向量在成像区域内每一采样点的范数，利用灰度表示其范数，重构散射体形状。

We defined a matrix in the normal field as the weights and consider that the different sampling rate has effect on the mesh smoothing.

在顶点的平滑过程中，每个顶点的权重采用一个定义在法向量场上的矩阵来表示，同时考虑了不同采样率对网格平滑的影响。

A sample numerical design method for constant beamwidth beamformer is given. This method is easy to implement and has no restriction on array geometry and sensor patterns; Three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the DFT interpolation method and adaptive synthesis method, respectively. Examples and performance analyses are given for each method; A simplified linear constrained minimum variance broadband adaptive algorithm that based on DFT interpolation method is presented. Compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly.

提出了一种简单、易于实现的恒定束宽波束形成器设计方法，该方法对阵形和阵元指向性没有任何限制；分别提出了基于阵列接收数据重采样、基于DFT插值和自适应综合的三种具有频率不变波束图的宽带波束形成器设计方法，对于每一种设计方法都给出了一个设计实例并做了性能分析；提出一种基于DFT插值的简化线性约束最小方差宽带自适应阵列算法，该方法可以大大降低自适应阵列的运算量。

II METHOD1 chose one of 3A level hospitals dentistry to carry through sanitation quality investigation of the dental diagnosis and treat instruments. Examined appliance include air turbine dental handpieces, punch-pin, odontoscope, bougie, tweezer, flex-tray that were so common used by dentists and daubed the inside or outside surface of the dental appliance and collected it; Examined targets were HBsAg, HBeAg and HBV-DNA (detected it with molecule spot cross method).2 make good use of the air turbine dental handpieces bracket jack which was all available in every china hospital dentistry and design outside shape and inside structure of the binary disinfectant-box for the air turbine dentalhandpieces.

二 方法 1 选取本市某所三甲医院口腔科使用的牙钻手机、车针、口镜、探针、镊子及弯盘6种常用诊疗器具行涂抹采样；检测指标为HBsAg、HBeAg、HBV-DNA；检测方法为HBsAg和HBeAg采用ELISA法，HBV-DNA为斑点杂交法； 2 充分考虑、利用现有牙钻手机支架插孔，设计牙钻手机二元消毒盒外形及内部构造；选定高效消毒剂戊二醛为消毒盒消毒腔内应用消毒液，其消毒效果及毒性鉴定试验参照卫生部消毒技术规范执行。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。