查询词典 jacobi bracket

ABSTRACT This dissertation is devoted to studying the numerical methods for the forced Birkhoff systems with general symplectic geometric structure or Poisson bracket, including higher dimensional Birkhoff systems with multi-symplectic structure.

这篇文章着重研究一般辛结构下受到外力作用的Birkhoff系统的几何结构和几何算法，包括定义高维Birkhoff系统的概念，和研究它的多辛几何和多辛变分积分子。

Thelf-proof chain, Bracket, Corrner, Pothook, Bathroom lock

吊轮，防盗眼，箱扣，毛巾架，玻璃夹，电锁，老虎锁

Application names cannot contain the following characters: open bracket, quotation mark, single quote, back slash, forward slash.

应用程序名称不能包含下列字符：左方括号、引号、单引号、反斜杠、正斜杠。

Let's put the support bracket to the rack and tighten it up with proper screws.

我们把承重支架安到机架上，再用适当的螺丝把它拧紧。

This topic mainly adopts monolithic integrated circuit AT89C2051 to design a practical digital inductance reflectoscope reflector, the scope of inductance quantity survey is 0.1mH ~ 20H, uses two half digital demonstration, the biggest demonstration number is 199, the Reading unit unifies with mH, the measuring range divides four keep bracket, the reading respectively rides by the corresponding percentage.

本课题主要采用单片机AT89C2051设计一个实用的数字电感测试仪，电感量的测量范围为0.1mH～20H，采用两位半数字显示，最大显示值为199，读数单位统一用毫亨，量程分四挡，读数分别乘以相应的倍率。

The multi-degree-freedom equivalent model of INS bracket is also given and analyzed to improve the analysis precision. The dynamic response spectrum of this model is achieved by modal analysis and spectrum theory. The numeric formulas of time-domain response are deduced by residue theorem.

对于惯导减振支架的多自由度系统等效分析模型，则运用模态叠加法和谱分析理论得到响应的功率谱，根据留数定理推导了系统时域加速度动力响应的数值计算公式。

Bracket stability ; intension resitting bend moment ; carrying capacity ; construct frame

支架稳定性；抗弯强度；承载力；构造设计

As you can see, there were a lot of rivet holes to drill in each bracket.

你可以看到，有很多铆钉孔钻机在每个组别。

Finally, this paper offer some suggestion to the later analyzing work of passenger ropeway bracket and foundation structure.

最后，本文对索道支架与基础结构的进一步分析工作提出了建议。

On such a basis, has the problem of common effect of ropeway bracket structure and foundation construction been solved.

形成一个概念清晰、考虑全面、便于使用的设计软件。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？