查询词典 closed-door

This is quite useful: one may safely enlarge the field ''K'', for instance to get an algebraically closed field; Jordan forms can then be computed over the large field and can be used to determine whether the given matrices are similar over the small field.

不是所有的矩阵都可以对角化，但至少在复数域内，所有的矩阵都相似于一些被称为

It is shown that, any reprersentation finite special biserial algebra has a Groebner basis theory, and a finite-dimensional basic algebra over an algebraically closed field is representation finite if and only if every module over it has a right Groebner basis theory.

证明了表示有限特殊双列代数有Groebner基，从而扩大了Groebner基理论的应用范围；证明了一个代数封闭域上的有限维代数是表示有限特殊双列代数当且仅当其上每个右模都有右Groebner基理论，从而扩大了右Groebner基理论的应用范围。

From the famous Gabriel's theorem ,a basic connected finite dimensional associative algebra A over an algebraically closed field can be looked as a quotient of a path algebra decided by a connected finite quiver Q.

由Gabriel 定理，代数闭域上基的，连通的有限维结合代数A 同构于一个由连通有限箭图Q 确定的路代数的商代数。

The amination takes place more efficiently in open air than in closed system.

以V10/γ-Al2O3为催化剂，在2 mL苯为底物的情况下nNH2OH？

In the thesis,mass transport in metallic multilayers and growth of β-FeSi2 singlecrystals in a closed quartz ampoule have been investigated.

本论文对金属多层膜质量输运过程以及在封闭石英安瓿中β-FeSi2单晶的化学气相生长进行了深入的研究工作。

With analogue computer employed as controller, expriemental open and closed loop tests are performed.

用模拟计算机作为控制器，进行了开环、闭环实验，实验结果表明取得较好的控制效果。

With the hydraulic press as the actuator, we designed a computer analogue control system by closed-loop electro hydraulic proportional valve to the moving speed of sliding block of the hydraulic press, which lays a foundation for the further key parameter control.

以试验液压机作为执行机构，设计了对液压机速度进行控制的计算机模拟量闭环电液比例流量控制系统，为进一步实现液-固挤压复合材料关键参数的控制奠定了理论基础。

By means of plane elastic complex variable method and the theory of boundary value problems for analytic function, the stress distribution of elastic body is given in closed forms.

本文研究集中力作用下带任意孔洞的各向同性半平面焊接问题，利用复变函数方法和解析函数边值问题的理论，给出了弹性体应力分布封闭形式的解。

The shift from the closed garden internet of AOL to today's anarchic online world is one of the biggest stories of the decade.

从美国在线"封闭花园式"的互联网，到今日无政府状态在线世界的转变，是这十年最重要的事件之一。

Before operation, all the patients had anchylosis at the different degrees and the total activity range of the hip joint was 30-110% Among the 15 patients, 4 had the limb-length discrepancy of 2-6 cm （average, 3.8 cm） and 2 had a severe scar after the sinus was closed.

所有患者术前均有不同程度的关节僵硬，髋关节各方向活动度总和为30～110 。4例患者下肢有2～6cm的短缩，平均3.8cm.2例患者窦道闭合后形成贴骨瘢痕。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。