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Using the main result, we also obtain a simple criterion to check if a given C(superscript *)-algebra A is Abelian, that is, A is Abelian if and only for any two positive elements a, b∈A, there is a'∈A such that ab=ba'.

利用文中的主要结论，还得到了判断C-代数A是交换一个简单条件，即A是交换的当且仅当对A中的任何两个正元a，b存在a'∈A使得ab=ba'。

Using the main result, we also obtain a simple criterion to check if a given mathrm C^*-algebra A is Abelian, that is, A is Abelian if and only for any two positive elements a, bin A, there is a'in A such that ab=ba'.

利用文中的主要结论，还得到了判断 mathrm C^*-代数 A 是交换一个简单条件，即 A 是交换的当且仅当对 A 中的任何两个正元 a， b 存在 a'in A 使得 ab=ba'。

It consists of the next three aspects: firstly, we study Murthys' open problem whether the augmented matrix is a Q0-matrix for an arbitary square matrix A , provide an affirmable answer to this problem , obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the Graves algorithm can be used to solve linear complementarity problem with bisymmetry Po-matrices; Secondly, we study Murthys' conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study Pang's conjecture , obtain two conditions when R0-matrices and Q-matrices are equivelent and some properties about E0 ∩ Q-matrices; Lastly, we give a counterexample to prove Danao's conjecture that if A is a Po-matrix, A ∈ E' A ∈ P1* is false, point out some mistakes of Murthys in [20] , obtain when n = 2 or 3, A ∈ E' A ∈ P1*, i.e.

本文分为三个部分，主要研究了线性互补问题的几个相关的公开问题以及猜想：(1)研究了Murthy等在[2]中提出的公开问题，即对任意的矩阵A，其扩充矩阵是否为Q_0-矩阵，给出了肯定的回答，得到充分矩阵的扩充矩阵是充分矩阵，并讨论了Graves算法，证明了若A是双对称的P_0-矩阵时，LCP可由Graves算法给出；(2)研究了Murthy等在[6]中提出关于半正定矩阵的猜想，给出了半正定矩阵的一些充分条件，并研究了Pang~-猜想，得到了只R_0-矩阵与Q-矩阵的二个等价条件，以及E_0∩Q-矩阵的一些性质；(3)研究了Danao在[25]中提出的Danao猜想，即，若A为P_0-矩阵，则，我们给出了反例证明了此猜想当n≥4时不成立，指出了Murthy等在[20]中的一些错误，得到n=2，3时，即[25]中定理3.2中A∈P_0的条件可以去掉。

Corrosion of stainless steel on the surface that is fully shielded from air such that the passive film cannot be created to resist the corrosion.

不锈钢的表面发生的与空气完全隔离的腐蚀，因此保护膜无法生成来阻止腐蚀的发生。

See my half believing and half doubting look, he pulled trouser legs, let us see the furrow of that similar and gravid grain, he all articulatory skins are such, that is the mark that when coming on, hemal and exceeding dilate leaves.

看到我将信将疑的目光，他挽起了裤腿，让我们看那一道一道类似妊娠纹的皱纹，他所有的关节皮肤都是这样，那是发病时血管极度扩张留下的痕迹。

You might say that you want Sally to manage project XYZ such that the team collaborates, but what does that look like in terms of meets expectations?

你可能会说，你要管理项目萨利某某，这样的团队合作，但到底是什麼样子的条款，符合期望？

We have pointed out that when the substrata under a building drops, such that the plumbing system in a building no longer has the underlying support it did previously, that the entire building can implode.

我们曾指出，当池底下滴建设，这样，水管系统的建设已不再具备基本支持它以前，将整个大楼能破灭。

The 1920 saw the emergence of a new psychological school called Gestalt psychology.it was founded by a group of German psychologists such ad Max Wertheimet,Kurt Koffka,and Kurt Lewin.most of their early research was focused on the area of perception,aiming at the exploration of the relationship between parts and whole in people's petceptual experience.from their experiment,they found that people perceived objects and scenes as organized wholes beforethey noticed their component parts.For example,when people catch sight of a desk,they will recognize the desk asa whole before noticing its legs and other parts.that is why they use the word Gestalt,which means roughly"organized shape"or "whoe form" in English,to name their school of psychology

在1920年看到了一个新的心理称为塔psychology.it学校的出现，是由德国心理学家等广告最大Wertheimet，科特考夫卡和库尔特其早期研究Lewin.most成立于知觉的领域集中，瞄准之间的部分和整个人民的关系探索单曲petceptual 经验。from他们的实验中，他们发现，人们认为的对象和有组织的整体，场面beforethey发现自己的组件部分。F例如，当人们捕捉，桌上看到，他们将承认前注意到它的腿和其他parts.that桌子阿萨整体他们为什么用这个词塔，这意味着约&组织型&或&所有形式&的英文，说出他们的心理学校。

It is discovered that cohesion errors by subjects in this study mainly are of three kinds: 1 misuse of conjunctive type, such as overuse of and, underuse of the inferential, transitional and summative subtypes, etc.; 2 improper use of reference type, for instance, misselection of this and that, personal reference in disaccord; 3 cohesion errors by substitution type.

本次教学实验发现的衔接错误主要有：1连接的误用，如过多使用连接词and，而表示推论、过渡和总结的连接手段用得不够等；2照应使用不恰当，如this和that的误用，人称照应前后不一致等；3替代的误用。

"The offer they made us for Shaun had to be in that region to get him out of here and the financial situation was such that we had to accept that offer," Pearce has said.

&他们买小赖特的时候，因为我们自己的经济状况不佳，所以当时只能接受他们的条件。&

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。