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Construction of biased estimates for nonlinear ill-conditioned models are explored, and a simulation method of amending the deviations of nonlinear biased estimates is given here.

探索了非线性病态模型的有偏估计的构造，给出了非线性有偏估计偏差修正的仿真方法。

This thesis starts from the relationship between the direct deconvolution method in time domain and the DFT method in frequency domain, and find the identity of the two methods. Through deliberate investigation, this thesis discovers that ill-conditioned problem are caused by the deficiency of information.

本文从信号恢复的时域反卷积方法和频域中的DFT方法的关系入手，发现了两种方法的统一性，并深入研究了病态问题的机理，指出病态问题的根本原因在于信息不足。

Be- cause of noisy data,the linearization of nonlinear problems,and in- adequate parameterization of the model,migration velocity analysis is thought to be ill-posed and ill-conditioned.

但由于非线性问题的线性化、噪声及不具物理意义的模型参数化假设，偏移速度分析是不适定和病态的。

This paper has improved some conventional algorithms and presents the weighting iterative improved algorithm and PSD-PCG algorithm, basing on the analysis of ill-conditioned linear system of equations characteristic and origin.

本文在分析了病态线性方程组的特点和成因的基础上，对一些传统的算法进行了改进，给出了加权迭代改善法和PSD—PCG法。

The PSD-PCG algorithm is effective to sovle ill-conditioned linear system of equations whose coefficient matrix is symmetric and positive definite and sparse.

本章提出的PSD—PCG法是解对称正定的稀疏病态线性方程组的有效算法。

Sun Wenjie first night in Hong Kong is in the absence of air-conditioned Chase covered before.

孙文杰第一晚在香港是在没有空调大通包括前。

The system of economic calculation in monetary terms is conditioned by certain social institutions.

以金钱来作的经济计算制度，是以一些确定的社会建构为条件的。

In certain conditions previously inhibited conditioned reactions can ''.

在一定的条件下，先前受到抑制的条件反应''。

The notorious difficulty of giving any satisfactory definition of poetry is almost equalled by the difficulty of defining with precision any one of its kinds; and the epigram in Greek, while it always remained conditioned by being in its essence and origin an inscriptional poem, took in the later periods so wide a range of subject and treatment that it can perhaps only be limited by certain abstract conventions of length and metre.

他臭名昭著的困难给予任何令人满意的定义几乎等于诗歌是由难以界定与高精度其任何一种类型；和警句在希腊，而它始终受制于目前在其本质和起源的inscriptional首诗，在中在后期，以便广泛的议题和治疗，这也许可以只限于某些摘要公约的长度和米。

Setting: University hospital research laboratories Subjects and Interventions: NB4 and A549 cells were separately cultured with ATRA and/or dexsamethasone for 1-3 days. NB4 or ATRA -NB4 cells were then placed in an upper insert and co-incubated with A549 cells or their conditioned medium located in a lower plate.

材料与方法：将NB4 细胞与 A549 细胞分别经有／无全反式维甲酸及 dexamethasone 处理 1-3 天，再将有／无全反式维甲酸处理过之 NB4 细胞置入嵌入式培养之上层舱，下层舱中则置放有A549 细胞或各种不同处理的条件培养液，再将上层舱嵌入下层舱中，於含 5% CO2 之培养箱中共同培养。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"