如果您在刚开始时就知道系统需要做什么以及它需要如何做，您就可以预先进行大部分(如果不是全部)的设计工作。
If you know at the beginning what the system needs to do and how it needs to do it, you can do most (if not all) your design up front.
研究IBM电子商务模式，它预先建立了用于创建和实现大型集成系统的设计。
Explore IBM Patterns for e-business, prebuilt designs for creating and implementing large integrated systems.
系统的核心设计是预先完成的，但是具体实现还是在开发过程中慢慢成型。
The major design of the system was known up front, but the implementation was still a work-in-progress during the construction of the software.
有些汽车装备了高强度放电前大灯hid，该设备通过其预先设计的电子系统产生的高压电弧放电生成高密度光源。
Some cars equipped with high strength discharge headlights HID, the device through its pre designed electrical system generated high voltage arc discharge generated high density light source.
设计和实现了前置机系统的预先派生子进程的通讯层。
Designs and realizes the fore-born child process communication layer of the fontal machine system.
传统的工作流中各种参数只由系统设计员预先确定，忽视了参与者作为行为主体的主导作用。
In traditional workflow system, all the parameters are defined by the system designer, and the participants' initiative effects has been ignored.
关系数据库的内部设计是以关系型数学运算为基础的，和这些系统需要一个预先定义的模型和明确的类型。
The internal design of relational databases is driven by relational math, and these systems require an up-front definition of schemas and types that the data will thereafter adhere to.
在一定条件下，设计的滑动模控制律使得系统沿预先设计的滑动流形的滑动运动对系统的参数摄动和外干扰具有不变性。
Under certain conditions, the designed variable structure control law makes the sliding mode along a specified sliding manifold invariable to the system perturbation and external disturbances.
时滞可同时存在于系统状态和控制中，按照本文方法设计的分散控制器，可以保证系统渐近跟踪预先设定的参考输出。
The systems may contain time-delays in both states and controls. With the decentralized controller, the closed-loop system will asymptotically track the reference output.
时滞可同时存在于系统状态和控制中，按照本文方法设计的分散控制器，可以保证系统渐近跟踪预先设定的参考输出。
The systems may contain time-delays in both states and controls. With the decentralized controller, the closed-loop system will asymptotically track the reference output.
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