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Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

建立变频液压容积调速和节流调速相结合的复合调速系统，通过分析矢量控制三相异步电机的原理，利用AMESim软件建立了矢量控制的三相异步电机的仿真模型，并与液压系统仿真模型相结合，建立了矢量控制变频液压容积节流调速系统的仿真模型。

A compound hydraulic system with variable frequency control, a throttle and variable displacement speed control was established. Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

本文将节流调速和变频液压技术有机地结合起来，以解决变频液压容积调速在大惯量、低转速、变负载系统中的应用问题，利用AMESim软件建立了矢量控制的变频液压容积节流调速系统仿真模型，并对该系统进行了性能仿真。

PartⅡ: N-phosphoryl amino acids have many biomimic reactions and the co-participation of the three functional group of phosphoryl, carboxyl and theamino acids side chain are essential for these reactions to occur. To study themechanism and the intrinsic relationship of these three groups will enlight thestudy on the mechanism of enzymatic reaction, the origin of life and otherproblems in the life science.

第二部分：N-磷酰氨基酸的多种仿生化反应是磷酰基、羧基、和侧链基团协同作用的结果，对其反应机理的研究，将对生化反应和生命起源中磷的作用有着重要的意义。

Three-dimensional contact stress of turbine between roots and rims are analyzed by the three-dimensional digital photoelasticity.

用三维数字光弹性法分析汽轮机叶根、轮缘的三维接触应力。

The instrument simultaneously sample for three phase voltage and current. Rotary photoelectric coding switch and LCD are used for human-computer interaction. it makes the interface compact and efficient. Utilizing the function of positive and negative edge trigger of the programmable counter array unit in MPU, signal zero-cross is captured for the phase detected based on double way. The software synchronism sampling method based on real-time parameter self-optimizing minishes period truncation error, and the measurement accuracy is improved. The digitization power measure imports traditional two-unit and three-unit methods and expands application range of the instrument. The capacity is discriminated by soft ware table-look-up on the load loss. The value of a quantity is converted to the value when reference temperature (75 ℃) from test temperature.

该仪器具有以下特点：仪器对三相电压电流同时采样；基于旋转式光电编码器和液晶显示屏的人机交互界面简洁而高效；可编程计数器阵列PCA"捕获"信号的过零点用于双向过零平均鉴相，得到准确的相位差和周期；基于实时参数自寻优的软件同步采样，有效地减小了周期截断误差，提高了测量准确度；数字化功率测量引入了传统的二表法和三表法，扩展了仪器的使用范围；实际容量根据负载损耗用软件查表的方法来判别；测量值已从试验温度折算到了参考温度(75℃)时的值。

A glass die, a micro replication characteristic of PDMS and an electroplating technology are used to make the three-dimensional microelectrode array. A precise cutting machine is used to cut the glass to form a column array and a mixture of HF and NH4F is used to produce the corresponding structure serving as the die of the micro replication of PDMS. The photoetching technology is left out and the limitation of a photoresist on the dimension of the three-dimensional structure is eliminated; therefore the longer microelectrode array can be made. The length of the microelectrode array depends on the incision depth of the glass and the electroplating technology of deep hole of the metal.

本发明利用玻璃模具、PDMS的微复制特性和电镀技术制作三维微电极阵列，用精密切割机切割玻璃形成柱状阵列，用HF和NH 4 F的混合液腐蚀出相应的结构作为PDMS微复制的模具，免去了光刻工艺，消除了光刻胶对三维结构尺寸的限制，可以制作更大长度的微电极阵列，这一长度决定于玻璃的切割深度和金属的深孔电镀技术。

The three-dimensions copper interconnects were fabricated by electrolytic photoetching and following chemical mechanical polish,finally the three dimensions copper structure was released by removing the sacrifice layer .

为了降低互连延迟，提出了一种全新的全局互连结构，即利用掩膜电镀和CMP技术形成三维的铜互连结构，再利用牺牲层技术将三维结构镂空，得到悬空的全局互连结构。

About three million piculs of unhusked rice are sent out yearly in exchange for necessary consumer goods, or an average of one picul a head of the three million population; It cannot, surely, be less than this.

每年大约有三百万担谷子出口，三百万群众中每人平均输出一担谷交换必需品进来，不会是更少的吧。

About three million piculs of unhusked rice are sent out yearly for necessary consumer goods , or an average of one picul a head of the three million population It cannot , surely , be less than this .

每年大约有三百万担谷子出口，三百万群众中每人平均输出一担谷必需品，不会是更少吧。

Through the development of the secondary piercer unit with forward angle change type three roll structure, the role of "Rolling Effect" principle in three roll cross rolling is advanced, based on which the design principle of roll shape and pass is put out.

通过对变送进角型三辊铝管二次穿孔机组的研制，提出"辗轧效应"原理，在三辊斜轧中得到应用，并以此推出辊形与孔型设计原则。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。