采用一维非恒定流方程模拟地下排水管网内的水流，并给出泵站、闸门、淹没出流管道等排水系统的处理方法。
The flow in the drainage pipe network is simulated by one-dimensional unsteady flow theory, and the calculation of the pumping stations, the water gates and submersed pipes is indicated.
这两者各具特点，但又有机地联系在一起。水电站有压输水系统非恒定流对水电站的稳定及安全运行有很大影响，所以对其研究也倍受人们重视。
The non-steady flow in pressure water-carriage system have quite influence on the stability and safety of operation of hydropower station, so it is paid more attention.
本文报导了延迟反馈光学双稳系统在恒定输入光强时的非稳输出振荡特性及其模结构实验结果。
This paper reports the experimental results of mode structure for a delayed feedback optical bistable system with constant input intensity.
本文解决了参数未知、具有非结构性未建模误差和有界恒定扰动的一类线性连续系统的自适应控制问题。
This paper proposes a robust adaptive pole placement control scheme for continuous time systems with bounded disturbances and unmodeled dynamics.
本文还采用非恒定计算的特征线法，对该水电站引水系统模型非恒定流进行了计算，其计算结果与模型试验结果吻合。
This paper also calculates the unsteady flow of the hydropower station's model by using of the characteristics method, the calculated result is extremely close to the experimental result.
用非恒定流数学模型对系统的输水管道、配水管道、调节池进行分析。
Conveyer and service pipes and regulating pond of the system was analyzed through unsteady mathematic model.
应用数理统计原理，对井下运输系统的非均匀货载进行了分析和研究，为运输设备在非恒定运量的情况下寻找出一种选型计算方法。
Using mathematical statistical method, this paper studies mine transport system's uneven load, which provides a type selection design method for transport equipment under non steady load.
在详细分析多孔并联分段低压输水系统水力特性的基础上，建立了这一输水系统的非恒定流控制方程以及关闸和不关闸条件下的保水堰边界条件。
The stepped low-pressurized water diversion system with parallel multi-holes in regulation tanks can reduce the pressure of the conduit and effectively simplify the control of the flow discharge.
本文针对非制冷焦平面阵列像元温度保持恒定可以提高测试精度的问题，提出了基于ADN8830单芯片热电制冷器控制器的温控系统设计。
For uncooled focal plane array pixel maintain a steady temperature can improve the precision, temperature control system based on ADN8830 single-chip thermoelectric cooler controller is designed.
建立系统非恒定流数学模型。
Unsteay flow mathematic model of the system was established.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题，通过动床试验研究提出了八塘尾河段的整治方案，并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
进行非恒定流数值模拟计算，分析过渡过程中的水流特性，对输水系统的设备的设计和运行都具有重要意义。
It has vital significance to design and operate the water-carriage system's equipment to simulate the unsteady flow and to analysis the fluent characteristic of the transient process.
通过寻找积分因子来建立非完整非保守系统的守恒律，讨论了存在守恒定律的必要条件，并举例说明其应用。
A single character for use in integral invariant of nonholonomic conservation systems is proved and is subject to some conditions.
通过寻找积分因子来建立非完整非保守系统的守恒律，讨论了存在守恒定律的必要条件，并举例说明其应用。
A single character for use in integral invariant of nonholonomic conservation systems is proved and is subject to some conditions.
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