子系统

When the database is being built, the System gives each single sub-system a login account to database which keeps the databases relatively separate from each other with the purpose that other's system won't be affected as long as some user takes unidentifiable manipulations.

在建立数据库的时候，给每个子系统分配了一个数据库的登录账号，以保持各个库之间的相对独立性，防止用户的误操作影响到其它系统的数据库。

Interface communication was adopted between each subsystem of monolithic computer and upper computer. The memory with I2C bus interface and serial LED display technique are also adopted in this system.

各单片机子系统与上位机之间采用485接口通信，系统中采用了I~2C总线接口的存储器与串行LED显示技术。

The simulation of control system is set up by use of Matlab/Simulink.

在SVPWM子系统的基础上，搭建了整个系统的仿真模型进行仿真。

Secondly, the flow characteristic of the intake system of pre-mixed spark ignition gas engine was studied on the vacuum pump. The discharge coefficient models of the air valve, the gas valve and the subsystem of the mixer and throttle were modeled. Their working flow characteristics were analyzed. And the dynamic model of the intake system was identified.

其次，在真空泵流量实验台上完成了预混点燃式气体燃料发动机进气系统的流量特性研究，建立了空气阀、燃气阀及"混合器+节气门"子系统的流量系数模型并分析了其工作流量特性；建立了发动机外围进气系统的动态模型。

Firstly,the frame of Stereo VCD System and its implementation are introduced in the thesis.

本文首先介绍了立体VCD系统的总体框架和各子系统的具体实现。

Based on the Hamiltonian of the interaction system, which includes the interaction between two two-level atoms and a single mode vacuum field, the state vector and the density matrix of the system, and the reduced-density matrices of the subsystems are obtained by solving its Schrodinger equation, and the basic model of this problem is established.

从两个二能级原子与单模真空场相互作用系统的哈密顿量出发，通过解Schrodinger方程，得到了系统的态矢、密度矩阵和子系统的约化密度矩阵，建立了本文的工作模型。第二章介绍了量子熵与量子纠缠的发展史，解释了量子熵与量子纠缠的关系，阐述了量子熵与量子纠缠的基本理论。第三章研究了两个二能级原子与单模真空场相互作用系统中的量子纠缠。

This thesis discusses the mobile communication network and the GPS technology of GPS-based Vehicular Monitoring System from several aspects.

本文从多方面探讨了GPS车辆监控系统中的移动通信子系统和GPS定位技术。

It contains establishing control model of this engine, the models are based on engine average value in time, they can be divided as intake manifold, engine dynamics, velometer section and other subsystem model of CBM engine. Besides these, it also contains model of sensors using in engine intake system and running detection, model of step motor using in driving throttle.

文章主体的内容包括建立发动机燃用变组分燃料的控制模型，建模的思路是采用基于时间的发动机平均值模型，其中分为进气歧管、发动机动力学、调速器等发动机各子系统模型，另外包括对发动机进气系统、运行参数进行检测的传感器模型以及驱动阀门的步进电机模型等。

This vertical integration often includes: software design, component, peripheral, and subsystems production, and final assembly.

这种纵向一体化往往包括：软件设计，组件，外设，和子系统生产和最后的组装。

For the diversity of viaduct and track system, the interaction of every component and the material non-linear, there are no perfect methods of analysis and evaluation until now.

其模型的多样性、各个子系统之间相互作用的耦合性、材料性能的非线性，使得高架桥和轨道系统的分析与评价较为复杂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。