可证明的

In this paper,the branch pipe network as a virtual ring pipe network is proposed,and the equation for it has been set up.It is proved that Kirchhoff law of ring pipe network is a kind of special form of equation,which is the virtual ring pipe network.

本文中提出将树枝管网视为虚环，建立了虚环方程，证明了环形管网的基尔霍夫定律是虚环方程的一种特殊形式，环形管网方程和虚环方程互相兼容，可联立求解。

Exemplification shows that the method is effective for the analysis and calculation of the free frequency of cooling towers. It not only avoids the tedious process of limit element calculation, but also can supplement the experiment method.

通过示例证明，该方法对解决冷却塔固有频率分析计算行之有效，它既避免了有限单元法计算的烦琐过程，又可作为实验方法的补充。

O solve this problem, Tseng and Jan gave an improved scheme, which was proved still linkable by Sun.

seng和 Jan给出的改进方案也被 Sun证明是可链接的；此外，Joye，L ee和 Hwang指出 L ee- Chang和 Tseng- Jan方案有一个安全漏洞。

V It is proved that, under quadratic loss, the admissibility of a common estimator of mean vector with respect to multivariate t-error model is related to its dimention.

v证明了多元t-分布均值向量的一个常用估计在二次损失下的可容许性与维数有关。

Necessary and sufficient conditions are given when n=m+1. Finally, we show that when n=m+1, all systems but a measure zero set are linearizable.

对输入数仅比系统维数少一的情况给出了充要条件，并证明了在此情况下几乎所有的系统均可线性化。

Evaluating these comments in light of your specific applications may prove beneficial in providing optimum life and performance from melter thermocouples.

评估这些注释，可根据您的详细应用情况有效证明熔炉热电偶的最佳寿命及性能

Expression of nos gene was confirmed by nopaline detection.Host range of A.tumefaciens in monocot yledoneae and host screening methods are discussed.

纸电泳结果表明，所有瘤组织都含有胭脂碱，证明石蒜和金针菜的细胞可被转化并表达nos基因；本文讨论了致瘤农杆菌转化单子叶植物的范围和筛选方法。

Then, we set up the double-row monodromy matrix of the Hamiltonian, the transfer matrix and the reflection equation of the system with the help of the scattering matrix and the reflecting matrix.

接着借助量子反散射方法，运用两体散射矩阵和反射矩阵，构造了双行monodromy矩阵、转移矩阵和系统的边界反射方程，从而详细证明了系统的精确可解性。

One of the cases was showed in theorem 4.18: finite group G is solvable if and only if Sec is nilpotent for every maximal subgroup At without prime index in G.

在本文中作者将要证明：G可解当且仅当对G中的任意极大子群M，或者I中存在极大元C使C/K幂零并且其Sylow2-子群的幂零类≤2，或者Sec为2-闭。

He is so obstinate that he still tries to defend his theory,although it has been proved wrong.

他固执极了，尽管他的理论已被证明是错的，可他还在设法为其辩护。

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％。