分段

Great Wall was built in the fifth century BC, the Warring States period, the third century BC emperor unified China, Mengtian send 300,000 troops led by Hun North, after the original section of the Great Wall, built to link up and to continue to build.

长城始建于公元前五世纪春秋战国时代，公元前三世纪秦始皇统一中国，派遣蒙恬率领三十万大军北逐匈奴后，把原来分段修筑的长城连接起来，并且继续修建。

The proportional servo valve controls the charger motion to enable adjustable feeding speeds in sections as well as stable and even feeding.

比例伺服控制料车运动，布料速度分段可调，使料车运行平稳，布料均匀。

Pressure Seal - simple in structure, configuration sub-buckles, and silver-plated low-carbon steel washers, helping to achieve the best demolition and sealing valve cap.

3压力密封–结构简单，配置分段扣环和镀银低碳钢垫圈，有助于拆卸和实现最好的阀帽密封。

In this paper,mathematical expressions of some swirl characteristic s of typical level hollow swirling flow in inner dissipation discharge tunnel with inlet shaft have been put forward under velocity distribution supposition.

试验观测结果表明，相对于起始断面的各种旋流特性具有明显的分段性质和沿程衰减的特性；下游水位对空腔环流的旋流特性有显著的影响。

This article introduced one kind of use was mad-the solid two-phase flow related theory and the related heat transfer research trial result,establishes the process mathematical model,carries on the pa...

介绍一种利用气固两相流动有关理论及有关传热研究试验结果，建立过程数学模型，对气流干燥管进行分段，分区间逐次计算方法，其计算结果与实际情况吻合较好，并通过对直管与脉冲管的计算结果分析其优缺点，可以用于工程计算。

The admission passage partition unlocking system is the train every time through the admission passage in some rail switch track sector,causes this sector unlocking immediately,may raise the work efficiency,generally uses in the work busily large-scale,the medium station.

进路分段解锁制是列车每通过进路中的某一道岔轨道区段，立即使该区段解锁，可提高作业效率，一般用于作业繁忙的大、中型车站。

The reliable and accurate electronic map is the foundation to improve the train positioning accuracy. Firstly, in view of "the regularization" two-dimensional model of the railroad track, the curve partition modeling is used to model the rail track to construct the electronic map database in the thesis.

可靠、准确的电子地图是提高列车定位精度的基础，本文首先针对铁路轨道的&规则化&二维模型，采用曲线分段建模的方式对不同轨道区段的数据进行建模。

The top chord components of beam string structure are fabricated in factory and assembled on site.

该张弦梁上弦构件在工厂分段制作，现场拼装。

Segmentation is one of the important tools to mine time series.

分段是一种重要的时间序列挖掘手段。

In this paper,a three-level temperature control plan combining grade-control with PID control in terms of the range of temperature and time for the azimuth holding organ is proposed,and the parameters is optimized based on genetic algorithm.

针对方位保持部件温控系统，提出了一种分时分段 PID控制与级间控制相结合的三级温控方案，以及用遗传算法进行参数整定的方法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。