查询词典 vertical axis

The important thing to know that it has an axis of symmetry — the optical axis.

重点是知道主镜有一个对称轴——光轴。

Application of both finite element and combined strip element to axis symmetry problems;2. Basic definition of axis symmetry has been given with three specific examples.

通过三个例子讲述了折叠矩形后满足轴对称的基本定理，并分别从折叠一次、两次介绍了折叠型的解题方

Then the problem is further equivalent to a kind of Riemann boundary value problem on the real axis by extension of symmetry with respect to the real axis.

利用已有结果得到了该问题的可解性定理。

Electronic barke applied to both principal axis and stroke,flexible axis enables the adjustment of synchoronus brake

主轴、冲程均用电子刹车，调整时主轴可自由旋转，可方便地调整到同步刹车。

Based on traditional magnet circuit anglicizing way and permanent magnet drawing and by using traditional BLONDEL theory, A model for electromagnetic calculation and formulas for voltage are obtained by dealing with the d- axis and q-axis electromagnetic coupling of the double- winding armature reaction.

并在常规稀土永磁同步发电机的磁路分析和永磁体图解法的基础上，利用传统的双反应理论，通过对双绕组电枢反应的d-q轴电磁解耦，推导出双电压复合励磁稀土永磁同步发电机的电磁设计数学模型。

Product brief introduction: GXF is inclined shed fan to be bosomy shape structure, the characteristic with its small imports and exports expedited the velocity of flow of air current, pressure coefficient is tall, shed fan with general axis below the circumstance of equal opportunity order, its discharge pressure all is more than general axis to shed the discharge of fan, pressure.

制品介绍：GXF斜流风机为鼓型构架，其进岀口小的特征加速了气流的流速，压力参数高，同一般的轴流风机一样机号的境況下，其访问数量压力均大于一般轴流风机的访问数量、压力。

The structure is formed by the assemblage of the second building units: cancrinite cage, according to the hexagonal space groups P63/mmc. It has not only the 18-ring pore channel system which parallels to the c-axis as in VPI-5, but also 10-ring pore channel system along both a and b-axis. The results obtained from calculating the bond distances and angles between the...

与VPI-5类似，具有平行于c方向的十八元环直孔道结构，但侧面有十元环孔道，通过计算该结构模型各原子间的键长、键角，认为该结构有可能存在，采用POWD-MODELING程序，计算了它的理论XRD谱图并绘制出其立体拓扑结构。

Two-axis" refers to the central axis and an extension of Chang'an Avenue;"two-zone" refers to the "eastern development belt" and "western ecological belt";"multi-center refers to the construction of urban areas in different functional areas , respectively, to assume different functions of cities in order to improve the efficiency of city services and decentralized traffic pressure, such as the CBD, Olympic Park, the Zhongguancun area, and many other multi-service settings.

两轴"是指中轴线和长安街延长；"两区"指的是"东部发展带"和"西部生态带"，"多中心是指城市建设地区不同功能区，分别承担不同的城市功能，以提高城市的服务效率和分散交通压力，如生物多样性，奥林匹克公园，中关村地区，和许多其他多种服务的设置。

The system consists of four parts such as Data Management of Product Model,Finite Element Analysis, Optimal Design and Graphics Drawing; and its main work is searching for an optimal scheme of chief axis with Sequential Quadratic Programming Method by finite element static and dynamic characteristical analysis of the axis and saving the results of design as documents or outputing them.

系统出产品模型数据管理、有限元分析、优化设计和图形绘制四部分组成。通过对车床主轴二维垂直剖面力学模型的有限元静、动态特性分析，采用序列二次规划的优化设计方法寻求主轴设计的优化方案，并将优化设计结果形成文档或输出。提出产品设计模型的概念，通过它可自动生成有限元分析模型、优化设计模型和图形模型三个子模型，将有限元分析、优化设计、图形绘制三部分结合在一起。

Axis Communications of Chelmsford, Massachusetts, has introduced the AXIS 247S Video Server.

美国马萨诸塞州Axis Communications推出AXIS 247S视频服务器。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。