查询词典 Poisson bracket

Objective To develop and apply portable bracket of lower limb in operation of tibia interlocking intramedullary nail.

目的：针对胫骨交锁髓内钉内固定术操作中存在的问题，研制出便携式下肢手术支架并应用于该手术操作中。

Entcroscopic colon bracket insertion operation has profound clinic value, either for palliative treatment, or for surgery preparation.

肠镜下置入支架在治疗左半结肠癌性梗阻中有临床应用价值，既可作为姑息疗法，也可作为术前准备的一部分。

Without using Lie derivative and Lie bracket operation of differential geometry , we only use the algebra method to give a sufficient condition of single input exact feedback linearizable bilinear systems.

摘 要 研究了单输入的双线性系统的精确线性化及其鲁棒控制器设计问题，避免了用微分几何的李导数、李括号的复杂运算，只用纯代数的方法给出了一般单输入双线性系统精确线性化的充分条件。

In recent years, through conducting market research and investigations, having interviews with customers to get acquainted to the market demands, by conducting all-round technical renovation, adopting new technology and new process to existing products, the company has developed and manufactured Series JC Electric Multi-purpose Operation Table and Series JCY Hydraulic Operation Table for Type C arm equipment, Type-JQ Multi-purpose Intermission Traction Bed, JC-CQ Bone Traction Frame and Backbone Operation Bracket, further satisfying the demands of the customers.

近年来公司通过市场调研、走访客户及市场发展的需求，我们对原有产品进行了全面技术更新，充分应用新技术、新工艺开发生产了为C型臂配套的综合电动手术台JC系列和电动液压手术台JCY系列；JC-JQ多功能间歇牵引床系列； JC-GQ骨科牵引架系列以及脊柱架。更进一步满足了用户的需求。

Let R be an arbitrary commutative ring with identity, gl the general linear lie algebra over R consisting of all n × n matricesover R and with the bracket operation = xy -yx, t the lie subalgebraof gl consisting of all n×n upper triangular (resp., strictly upper triangular ) matrices over R and d the lie subalgebra of gl consisting of all n×n diagonal matrices over R.

在第三章中，对R是交换环的情形，讨论了典型李代数的导子代数的结构问题：设R是一个含幺交换环，gl是R上一般线性李代数。t是gl的所有n阶上三角矩阵(相应地，严格上三角矩阵)构成的子代数，d是gl的所有n阶对角阵构成的李代数。

This product is aimed at people in the 24 to 54 age bracket.

这种产品是以24至54岁之间的人为目标。

You'll be in a different tax bracket.

就会有不同的税收负担。

It is unfair to bracket together those who cannot work with those who will not.

把不能工作的人和不愿工作的人等同看待是不公平的。

He doesn't have to worry about going into a higher tax bracket.

他不担心进入一个更高的税率。

I would have to say that is an 'L'-shaped bracket.

我不得不说，这是一个"L"状的支架。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。