摘

Exact linearization problems of general nonlinear control systems were discussed. At first, it defined an adjoint system by introducing an affine nonlinear system.

摘 要：讨论了一般非线性控制系统状态方程无反馈精确线性化及反馈精确线性化。

In this paper, the function of regression matrix is estimated in a growth curve model, and the necessary and sufficient conditions that a linear estimator of the function is admissible among the class of all lin ear estimators under matrix loss are obtained.

摘 要：对增长曲线模型中回归矩阵的函数的线性估计进行了研究。在矩阵损失下，作者得到了线性估计在一切线性估计类中可容许的充要条件。

Objective: To study the stability of the domestic 18 amino acids injection (12%) in all in one nutrient admixture.

摘 要 目的：研究国产18-氨基酸注射液（12%）在国产注射剂组成的全合一营养液中的稳定性。

During the period of Independence Review (1932~37), scholars of democratic parties, such as Hu Shi, based on the admonitory government subjects, made a continuous criticism on Kuomintang and the rule of Nanjing Nationalist government, by the way of scholars talking about politics.

摘 要：《独立评论》时期(1932~1937)，胡适等民主派学人从做政府"诤臣"的角度，以"书生论政"的方式对国民党及南京国民政府的政治统治进行了深入的批评。

Abstract］ Objective:To discuss the diagnosis and treatment of adrenal cyst.

摘 要］目的：探讨肾上腺囊肿的诊断和治疗。

Objective To improve the diagnosis accuracy of adrenal tumor.

摘 要：目的提高肾上腺肿瘤的诊断水平。

Objective To investigate the indications and surgical methods of retroperitoneal laparoscopic adrenalectomy.

摘 要］目的探讨后腹腔镜肾上腺切除术的适应证及手术方法。

As information technology development , data collection method plenty and advisability , there are more and more data about machinery fault.

摘 要：随着信息技术的发展，人们采集数据的手段日益丰富与高明，由此积累的机械设备故障数据日益膨胀，而且高维数据也日益成为主流。

Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerograph and etc.

摘 要：风力发电电能变换装置用于风力发电后电流的整流逆变，及对蓄电池充电的一个装置，提供稳定的交流电给负载。

To stability analysis of the tethered balloon, A three dimensional nonlinear mathematical model of tethered aerostat was assembled.

摘 要：为研究系留气球稳定性，建立了系留气球的三维非线性动力学模型。

We will see more and more activist government policies that distinguish economic activities according to the nationality of the actors.

我们将看到越来越多激进的政府政策，这些政策根据企业的国籍来区分经济活动。

If we can prove the independence of an axiomatic system, then we can guarantee the conciseness of this system, ie.

如果能够证明某个一阶谓词系统的独立性，那么就能够保证该系统的建立是精炼的，即没有任何一条公理或推理规则是多余的。