Objective To investigate the image character and diagnosis and differential diagnosis of benign tumors in parotid space.
目的探讨腮腺间隙常见良性肿瘤的影像特征及其诊断与鉴别诊断。
Based on character of signal in TWACS and harmonic in power system, the digital differential technique can detect the TWACS signal and eliminate the integer harmonics effectively.
针对工频通信的信号特征及电网谐波的特性，采用数字差分技术，对信号进行检测，可以有效抑制电网整次谐波干扰。
With the theory of stochastic differential equation, the authors discuss a problem of a class of risk investment portfolio with stochastic character.
利用随机微分方程理论，对一类具有随机特征的风险投资组合问题进行深入研究。
The main methods of face tracking were introduced, and a new method based on both inter-frame differential and static character was put forward.
简述了近年来主要的人脸跟踪方法，提出一种基于帧间差分与静态特征相结合的人脸跟踪算法。
Objective To analyze the clinical character and differential point of vasovagal syncope (VVS) and partial epilepsy in children.
目的：分析儿童血管迷走性晕厥与部分性癫痫的临床特征及鉴别要点。
Owing to the character of structure of lower-triangular system, the high-rank state of each differential equation is used as virtual control, then the control law is constructed by recursive design.
根据下三角系统的结构特点，将系统每个微分方程中的高阶状态用作虚拟控制进行设计，通过循环设计最终得到系统控制所需要的控制策略。
The character, pathogenesis, diagnosis, differential diagnosis and principle of treatment were also discussed.
并对本病的性质和发病机理、诊断、鉴别诊断及治疗原则进行讨论。
Results The coincidence of high-frequency ultrasound examination with tumor's physical character attained 100% and in differential diagnosis of benign or malignant tumors was 87.4%.
结果高频超声在肿块的物理性质诊断方面符合率达100%，在肿块良恶性鉴别诊断方面符合率为87.4%。
Generally, differential-species have had greater importance than character-species.
一般讲，区别种比特征种更重要一些。
The carbon concentration distribution function derived from partial linear differential equation by applying the feasibility of repeat adding can describe the innate character of multi stage ca...
运用线性偏微分方程的可迭加性质所求得的碳浓度分布函数能够描述多段法渗碳过程的物理本质。
According to the geometric character of the plant root systems, the method was designed to simulate the continuous growth of the plant root systems with differential L-systems theory.
本文根据植物根系的几何特征，结合植物根系的生长函数，探讨了微分l系统理论在植物根系模拟中的具体应用。
So, it has a practical significance to study the character of solutions of either degenerate differential system with delay or impulsive differential equations with delays.
因此研究退化、脉冲时滞微分方程解的性态具有重要的现实意义。
This part chiefly analyzes the differential relation of the captive audience's acceptablepsychology and the stylized character.
本部分主要分析受众接受心理与类型化特征的辨证关系。
Introduce function, Character of 7ut512 digital differential relay and applying it to differential protect on motor generator.
介绍了7ut5 12型数字式差动保护继电器的功能、特点及在电动机差动保护中的应用。
Objective To explore the imaging differential diagnosis of vascular malformations and intermediary character hemangiomas.
目的探讨血管畸形和血管中间性肿瘤的影像鉴别诊断。
The character of SGCMG system in the form of zero motion differential dynamic equation is given. The criterion of singularity escapable from reference 4 is improved.
给出了该零运动微分动力学下具有冗余度的单框架控制力矩陀螺系统奇异状态的性质，并改进了奇异可脱离性的判别方法。
Using the definition and character of vector function, the field is separated to TM wave and TE wave relative tor without complex vector-differential operation.
利用球矢量波函数的定义及性质，提取出场的径向分量，将初级场分解为相对于径向的TE波和TM波，避免了复杂的矢量微分运算。
The character on change of the shaft power with the differential pressure or rotational speed for Roots blower is analysed, the conversion formulas for the shaft power are deduced.
分析了罗茨鼓风机轴功率随压差和转速变化的特性，导出了相应的换算公式。
The character on change of the shaft power with the differential pressure or rotational speed for Roots blower is analysed, the conversion formulas for the shaft power are deduced.
分析了罗茨鼓风机轴功率随压差和转速变化的特性，导出了相应的换算公式。
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