查询词典 birational invariant

One of the most important, most difficult, and most exasperating unsolved problem s of operator theory is the problem of invariant subspaces

算子理论中最重要、最困难也最令人烦恼的未解决问题之一就是不变子空间问题。

By using the circular invariant characteristic of the defined subspaces,a necessary condition on complete reachability is g...

利用所定义的子空间是循环不变子空间的特点，得到了切换线性奇异系统能达的必要条件。

In the third chapter, we study the structure of quasi-invariant subspaces of analytic Hilbert spaces over the complex plane.

第三章讨论复平面上解析Hilbert空间的拟不变子空间。

The calculated isotropic polarizability, polarizability anisotropy invariant and hyperpolarizability are 305.4, 188.3, and 1155.4 a.u., respectively.

计算的各向同性极化率、极化率各向异性不变量和平均超极化率分别是305.4、188.3、

The calculated isotropic polarizability, polarizability anisotropy invariant, and hyperpolarizability were 577.7, 96.9, and -22.8 a.u., respectively.

计算的各向同性极化率、极化率各向异性不变量以及超极化率分别是577.7、96.9、-22.8a.u。。

Adopting Lorentz-invariant coupling model of neutron-antineutron and neutral meson strong interaction, we have physical analysis and accurate calculation on the neutron and antineutron to two neutral meson renormalization chain diagram propagator, and acquire the theoretical result; furthermore, after application of it to the physical process analysis and cross-section evaluation in this reaction , the differential cross-section of which is given. Moreover, through the comparison among this calculation and those scenarios: neutron-antineutron tree diagram and renormalization chain diagram propagator contribution, some important information about radiative correction was obtained.

采用中子-反中子与中性介子强相互作用的Lorentz不变耦合模型，对中子反中子重整化链图传播子作了有关物理分析及其严格解析计算，获得精确理论计算结果；进而将此结果用于中子反中子反应生成两个中性介子反应的物理过程分析及其截面的计算研究中，并精确计算出中子反中子重整化链图传播下中子反中子反应反应微分截面；最后还将此计算结果与中子反中子树图和重整化单圈链图传播下该反应微分截面作了对比分析，获得了有相关辐射修正的重要信息。

With Linear Time-Invariant modeling of phase noise and definition of"effective resistor", we analyze the critical parameters of the circuit and calculate the value of phase noise at the 1 /f~2 region. 3. A 4.2GHz VCO tuned by an accumulation-mode MOS varactor in TSMC 0.35μm SiGe BiCMOS process is obtained after debugging with the simulator SpectreRF.

以低压、低功耗、低相位噪声和较大调谐范围的设计目标对压控振荡器进行设计优化，最后得到由积累型MOS变容管调谐的压控振荡器，电源电压为1.5V，功耗约10mW，中心频率为4.2GHz，调谐范围为28%，在频率偏移量为600kHz处的相位噪声为-128dBc/Hz，与线性时不变模型下的理论推导结果非常接近。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。