不变

When the total cycle pump gear shift operation, the flow of the slip road ratio unchanged.

当总循环泵变速运行时，各个支路的流量分配比例保持不变。

In addition,we prove that the invariant rings of the maximal subgroups of class C_1 of the general linear group are polvnomial,and so do the invariant rings of root subgroups of the special linear groups.

另外，证明有限域上一般线性群的C_1类极大子群和特殊线性群的根子群的不变式环是多项式的。

And with these results, I delve further into the theoretical issues of MSP and the concentration is on a special class of MSP-Doob skeleton processes. Generalized limit distribution, limit distribution of these processes and conditions and the expressions for the existence of invariable measure of such processes are provided. Finally, these new results are then applied to queueing theory, reliability theory and inventory theory. A detailed study of GI/G/1 queuing model, parallel connection system model, water reservoir model and perishable inventory model is discussed. These models have already been investigated to some degree. In particular, as mentioned above, some scholars have already successfully applied the transient behavior theory of MSP to these models and transient distributions of main variables in such models have been obtained. However, the limit behavior has not been addressed. In this thesis, limit behavior of main variables in the above-mentioned models is established.

在这个基础上，对马尔可夫骨架过程的理论进一步进行了探讨，将注意力集中于一类特殊的马尔可夫骨架过程Doob骨架过程，给出了这类过程的广义极限分布、极限分布以及不变测度存在性条件和表达式，并应用这些结论于排队论、可靠性理论和存储论等领域-具体分析了GI/G/1排队论系统模型、并联系统模型、水库储水模型、易腐烂物品库存模型——这些模型都不同程度地被许多学者研究过，特别，如前面提及，已有人成功地应用马尔可夫骨架过程的瞬时性态理论，获得了上述各模型中的主要参量过程的瞬时分布，但是，却并没有探讨它们的极限性态——建立了若干关于上述各模犁的主要参量过程的极限性态的结果。

The portions of the simulation that process each Animal generically can remain the same.

在仿真过程中的某些部分，每个动物笼统可以保持不变。

The purpose of this project is to test whether mutation rate is constant along the genome.

这个专题的目的是测试突变机率在基因体中是否是不变的。

That way if things get too "girly", they can get away with their manhood intact.

这样，如果事情太" girly "，他们可以摆脱与他们的青壮年不变。

There was a SNP of PPARαgene in Dong-Ting Grass goose.

PPARα基因在洞庭草鹅中存在单核苷酸突变，但氨基酸序列不变。

Principles of platform, SINS, and RISG gravimetry systems and airborne gravity gradiometry are discussed.

讨论了平台式、捷联式和旋转不变式3种航空重力标量测量系统和航空重力梯度测量技术的方法、原理及其现状。

The results show that the grid population size is a vital factor to effect the strategy selection of user that aims to maximize its own utility in grid resource allocation.

最后通过仿真实例的研究结果表明，在效用矩阵不变的情况下，群体规模是影响网格使用者策略选择方案的一个重要因素。

We think the profitability may be restored in July and August, when the cheaper US$70/barrel crude feedstock starts to be refined, and by then we forecast the GRM to expand to US$6/barrrel-US$7/barrel (if domestic product prices are unchanged).

大和说，我们认为中国石化的盈利水平可能会在今年7月和8月份得以恢复，届时该公司将开始提炼那些以每桶70美元这一较低价格购进的原油，到那时我们预计中国石化炼油业务的毛利润将提高到每桶6至7美元(如果国内成品油价格保持不变的话)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。