单种的

This paper presents a new scheme based on Nonnegative Matrix Factorization and simplex-based method to solve this problem.

本文提出一种新的基于非负矩阵因式分解(Nonnegative Matrix Factorization，NMF)算法和单形方法相结合的混合像元分解方法去解决上述问题。

Very small tree similar to Rocky_mountain_pinon but having a single needle per fascicle; similar to Parry's pinyon in range.

与落基山矮松非常相似的一种单针松树；类似于同属的四针松。

Among them 168 cases cut by high frequency instrument,accounting 60.43 percents.64 cases cut by radiofenqency instrument accounting 23.02percents.46cases cut by joint treatment accounting 16.55percents.conclusions it is a safe and effective methods to cure the peptic polyps by radiofrequency and high frequency under gastroscope.it is more effective than only using singal instrument and it decreases the occurrence rate of bleeding and fenestrate of alimentary canal.

内镜下射频及高频联合治疗消化道息肉是一种安全有效的方法，比单用效果更为确切，并降低了治疗后消化道出血和穿孔的发生率。

A new bionics propulsion equipment—fishlike flexible tail fin propulsion equipment is brought forward,because there are some problems in present thrusters,such as big noise,low propulsion efficiency in shallow water and evident wake.

本文针对现有船用螺旋桨、泵喷等常规推进器存在噪音大、浅水中船舶推进效率不高以及尾迹明显等缺点，提出一种新型仿生推进装置—仿鱼尾柔性尾鳍推进装置，并据此展开了对单翼板柔性尾鳍和双翼板柔性尾鳍模型的计算和实验研究，本文工作属于鱼类生物流体力学、机械学、材料学和控制技术等多学科交叉的一个新兴研究领域。

Methods Drug sensitivity tests of 2127 strains of P. aeruginosa isolated fom clinic between 1999-2007 to 18 kinds of antibiotics were analysed.

分析1999-2007年分离的2127株铜绿假单胞菌对18种β-内酰胺类抗生素的药敏结果。

To deal with monocular vision robot localization problem, an EM-based Gaussian mixture particle localization algorithm is proposed.

针对单目视觉机器人的定位问题，提出了一种基于 EM（expectation maximization algorithm）的混合高斯粒子滤波定位算法。

According to experiment, polyvinyl alcohol , 12 alkyl benzene sulphur sour sodium,, single glyceride these good flaky aluminium single auxiliary of powder very too.

根据实验，聚乙烯醇、十二烷基苯磺酸钠、单甘油酯这几种也是很好的片状铝粉的单一助剂。

The granddaddy of sequoias is General Sherman--a tree believed to be the largest single living thing on the planet .

红杉树的祖先是谢尔曼将军树――种被认为是地球上体积最庞大的单生生物树种。

S Six 5′-monophosphate nucleotides were separated by using guanidine carbonate as running electrolyte.

报告了在碳酸胍体系中研究 6种 5′单磷酸核苷酸的分离工作，考察了分离条件对分离结果的影响。

The essence of this type of dress is that it skillfully and accurately chooses two very different styles of single items, and harmonically mixes them together.

这一类着装的精髓就在于熟练并准确地选择两种风格截然不同的单品，并将它们和谐地放在一起。

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。