查询词典 backward difference operator

First, it is proved that for an uniformizable operator D, there exists an operator B such that AC=BD if C Ker D \subset Ker A.

首先证明对可单值化算子D，如果C Ker D \subset Ker A，则存在算子B使AC=BD。

Article 13 The operating unit or operator of satellite communication networks shall, within 30 days from the day of signing the transponder lease agreement with the operator of satellite transponder, report to the Radio Administration Bureau of the Ministry of Information Industry for record.

第十三条卫星通信网运营单位或经营者应当将其与卫星转发器经营者签署的转发器租赁协议自签署之日起30日内向信息产业部无线电管理局备案。

It is found that amplitude-squared squeezing can be created by 4-photon unitary operator S4 acting on the vacuum state and this shows that the amplitude-squared squeezing can be created by 4-photon unitary operator S4 acting on the vacuum state and this shows that the amplitude-squared squeezing is a new nonclassical effect of light field which is independent of the second order squeezing, antibunching and sub-poisson statistics.

发现4个光子么正算符S4对真空态的作用可以产生振幅平方压缩，这表明振幅平方压缩是一种独立于二阶压缩、反聚束以及亚泊松统计分布的新的光场非经典效应。标签 K光子么正算符相干态真空态振幅平方压缩 K-photon unitary operator coherent state vacuum state amplitudesquared squeezing

In this paper, in the momentum space , the angular momentum operator and the boost vector operator, i.

在动量表象下对非零质量带自旋粒子的角动量算符和推动矢量算符也即Lorentz变换生成元进行了讨论，得到了它们按轨道和自旋两部分分拆的新的表达

Another one is the lack of accurate understanding of operator "s need and proper administrable structure. Under the condition of market economy, operator"s incentive payment should sufficiently reflect human capital deposit, human capital price, human capital value as well as operators needs. The author points out this is the essential way to resolve the problem.

在市场经济条件下，经营者的激励报酬必须充分考虑经营者人力资本存量、市场定价，充分考虑经营者的人力资本价值及经营者的实际需要，笔者认为这些是解决我国国有企业经营者薪酬激励机制问题的基本思路。

What you should do to access the services only is to place your collect call through long-distance telephone operator for 24-hour medical service and tell the AIAS operator details of your policy number, current location, telephone number and which s

您只需拨打一个24小时免费电话，并告诉AIAS工作人员您所需的服务并请提供您所在地详情，电话及您的保单号码，您就会获得美国国际支援服务人员的及时服务。

An improved genetic algorithm based on "approximative elite","study operator" and "chaos operator" has been presented in this paper according to the features of reactive power optimization in power system.

中文摘要：根据电力系统无功优化问题的特点，提出了一种基于近似最优个体、学习算子和浑沌算子的改进遗传算法。

It is, therefore, essential that a banksman be appointed to warn the operator of hazards that cannot be seen from the operator's position.

重型运土设备使用时，操作人员只能看到有限的区域，因此，必须指派矿口监工随时警告操作人员在操作位置上无法发现的危险。

The ideal system ought to be able to promote the owner and the operator benefit coordination, but causes the operator must "to create a false impression" devotionally in to be listed's real management achievement.

理想的制度应能促进所有者和经营者利益的协同，使经营者专心于上市公司的真实经营业绩而非&造假&。

However,in actual judicial pratice, it is in vogue because of the regional protectionism and the branch protectionism,which makes the faultily of the managemeng system,low quality of carrying out personnel business,difficult to look for the operator and to search for property."Difficult enforcement of judgments"includes seeking and carrying out the underlying asset and difficult to assist an operator.

然而，在司法实践中，因地方保护主义和部门保护主义的盛行，执行管理体制不健全，执行人员业务素质低等原因，造成被执行人难找，被执行财产难寻，协助执行人难求以及执行标的物难动等&执行难&、&执行乱&现象。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。