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First, we give the relation of Birkhoff orthogonality and functionals in Banach space, then use functionals as a tool to investigate the relations of Birkhoff orthogonality and underling Banach space.

首先，建立了Banach空间中两个元素的Birkhoff正交性和线性泛函的关系，然后以线性泛函为主要工具，讨论了Birkhoff正交性和Banach空间结构的关系。

In this study,the only five complete mitochondrial genomes of orthoptera in GenBank were analyzed by Matlab informatics tool box,similarity of five genome\' complete sequences were definited,the number of nucleotide and amino acid were count using sequence statistical function.

本试验以GenBank中昆虫纲直翅目目前已被报道的5种线粒体基因组全序列为材料，用Matlab中生物信息学工具箱对它们进行了序列分析，确定了这5种基因的相似性。

The simulation results show that it is a powerful tool for oscillation research.

仿真分析验证了该方法在低频振荡问题分析中的优势，从而为电力系统稳定分析提供了有力的工具。

With differential geometry knowledge, the local characters of the blade surface are analyzed. Based on researching the cylindrical cutters osculating location, the methods to calculate the osculating location of the conic cutter and the torus cutter are discussed. A method of tool path planning based on the second order osculating method is preferred.

利用微分几何学知识，分析了螺旋桨桨叶曲面的局部特征，在研究圆柱刀二阶密切法规划刀位的基础上，探讨了圆锥刀和圆环刀的二阶密切刀位计算方法，采用二阶密切法规划刀位可以显著地提高加工精度。

The software of optimization of overall planning for surface engineering of low osmose oil has been worked out, and it is science tool of decision-making for exploitation and design of oil field.

编制了低渗透油田地面工程总体规划方案优化软件，为油田开发建设的宏观决策提供了一个科学而快速的工具。

It is easy to use OST Fix/ Restore Tool and does not require any technical skills.

这是易於使用的大部分修复/还原工具，并且不需要任何技术技能。

It is a free online tool for converting Video and Audio files to other formats.

这是一个免费的在线工具转换视频和音频文件格式。

Analysis of otolith morphology is an effective tool for fish stock identification.

结果表明耳石形态学分析是鱼类群体鉴别的有效手段。

Measure tool: The imitated stapes measure instrument, compasses with long needle, divided precision 0.02mm vernier calipers, surgical microscope, electric drill and conventional surgical instrument of otology.

测量工具：自制仿镫骨测量器，制图用带长针头分规，精确度0.02mm的游标卡尺，耳科莱卡手术显微镜，耳科电钻，常规耳科手术器械。

Honda's car, motorcycle , power tool and outboard motor businesses, for example, rest upon shared design and development skills.

例如，本田的汽车、摩托车、动力电焊和舷外民动机业务都基于共同的设计和开发技能。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。