参数

In this model of Tu Men River quality the functional structures of the deoxygenation coefficient k1, reaeration coefficient k2 and BOD sedimentation-resuspension coefficient k3 are established and tbe parameters determined by a regression technique to suit the characteristics of a river in the mountain area of North-Eastern China.

表达式中的参数通过系统识别与参数估计方法确定，因此能较好地反映河流的地理环境特点。特别是κ_3的表达式，它以流量为自变量，用一个单一的解析函数同时描述了江中的沉淀与再悬浮现象，具有独创性。

To compare with former works, it has following characters: 1. On the first time, theoretically analyze the principal and aspect of the depolarizer, which is an important component of D-IFOG.

与前人的工作相比，本文的特点在于： 1，首次利用Jones矩阵理论系统地研究了作为消偏干涉型光纤陀螺的关键器件的光纤消偏器的工作原理及工作特性，推导出偏振度与各有关参数之间的函数关系，明确了各参数在偏振度中所占的比重，首次设计出制作这一器件的实验系统，并制作出偏振度为1.0％的光纤消偏器。

The influence of main parameters on deposition rate is discussed.

系统地研究了主要工艺参数对AlN薄膜沉积速率的影响，对工艺参数进行了优化。

The effect of all parameters on quality of the films was explored, and deposition techniques were optimized.

研究了各工艺参数对薄膜质量的影响，并进行了参数优化。

Main structure parameters are designed using orthogonal graph research how parameters affect the penetration depth of linear shaped charge.

为研究线性切割器结构参数对侵彻深度的影响，利用正交表设计了主要结构参数。

The formula derived in this paper are consistent with those in CHEN's paper where they are derived based on geometric graph, while the former are easy to comprehend.

根据相位裕度的概念推导出的参数整定公式与基于几何图形推导出的参数整定公式一致，但更容易理解。

In order to study the stability of non-Newtonian fluid and its flow pattern discrimination method,the integral stability theory and local stability theory are applied to the concentric annulus flowing of plastic fluid and power-law fluid,then a relevant stability parameter expression of discriminating flow pattern is derived and set up in the paper.

针对非牛顿流体的稳定性问题及其流态判别的研究，将整体稳定性理论及局部稳定性理论应用于塑性流体和幂律流体在同心环空的流动中，建立和推导出相对应的判别流动状态的稳定性参数表达式。这些参数的临界值与牛顿液体流态准数雷诺数的临界值，同样具有与液体流变性无关的特点。

We obtain a parameterized description of weather with the meteorological data. The study is focused in visible spectrum and the optical features of atmosphere, especially the influence of airborne media on imaging.

在大气层的太阳辐射方面，讨论不同季节的大气层外的太阳辐射，以及大气层对太阳辐射的吸收、散射与漫射作用；根据天空参数得到了一个天气参数化的描述。

Because the slidingmode is designable and it is not concerned with the perturbation of theparameters of the structure and the varieties of the disturbance, thesliding mode is absolutely self-adaptive.

由于滑动模态可以设计而且它与控制对象的参数摄动以及外界的扰动无关，这使得滑模控制对外界扰动和系统内部参数的摄动具有完全的自适应性。

Every designable circuit parameter and statistical variation are swept one by one with circuit simulator in order to determine the ranges of these parameters variation in which the circuit has based performances.

本方法首先对电路的关键参数进行扫描，确定满足电路基本性能时的参数变化范围。

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。