查询词典 tributary channel

In this method,the Archimedes spiral was adopted as channel midline which could be generated by programmer in the process of modeling,and the original wooden patterns and the area change rule of channel could be modified,so that 3-D design of double-channel impellers could be implemented.

在该设计方法中，采用阿基米德螺旋线为流道中线，在造型过程中编入程序生成流道中线，并对原木模图和流道面积变化规律进行修正，实现对双流道式污水泵叶轮的三维设计。

Under the assumption that the channel state information was available only at the receiver,the capacity of MIMO systems in Rayleigh fading channel was investigated on the basis of information theory. Three special expressions for the MIMO capacity over ergodic flat fading channel were derived.An asymptotic formula for MIMO systems with equal number of transmit and receive antennas in small SNR was also given. Simulation results show that this approximation is relatively accurate.

以信息论的观点为基础，在假设信道状态信息仅收端已知的情况下，采用等功率发射方案，研究了瑞利衰落信道下MIMO系统各态历经信道容量，推导了三种特殊MIMO信道的各态历经信道容量表达式，以及在小信噪比下等收发天线MIMO系统的容量近似公式，并通过仿真进行了验证，仿真结果表明该近似公式比较精确。

CASI have a significantly protective effect on experimental arrhythmia induced with medicine in rats and cobayaes,its effect on calcium channel is more better than on natrium channel.The results show that CASI may be calcium channel blocker.

CASI对多种药物诱发的实验性心律失常均具有明显保护作用，其对抗Ca2+性心律失常的作用明显优于Na+性心律失常，提示CASI可能为钙通道阻滞剂。

Of of top-ranking outstanding achievement 1985 January, the Long Conghai that wear a root army be transferred to civilian work of some submarine unit come back, deputy stationmaster of station of Ren Funing channel, this cadre that enlists in army from navy is having a kind of special feeling to water it seems that, inside a month after be transferred to civilian work, he is taking boat politics a light boat, inspected entire county the channel of line of the Heavenly Stems and Earthly Branches of 590 much kilometers, visited a county main transportation enterprises is mixed boat civilian is bit more distributing center, understand conserve of the channel inside the county and the current situation that supervise the work very quickly, having doinging oneself while be assigned personal responsibility for works, raised the proposal of a lot of innovation to main and responsible comrade.

一流业绩 1985年元月，戴根龙从海军某潜艇部队转业回来，任阜宁航道站副站长，这位从海军服役的干部似乎对水有着一种非凡的感情，在转业后一个月内，他乘着航政艇，考察了全县 590多公里的干支线航道，走访了县主要运输企业和船民集散点，很快摸清县内航道养护和治理工作的现状，在做好自己分管工作的同时，并向主要负责同志提了许多创新的建议。

This article mainly from the angle of reducing the cost, analyzes questions of the marketing channel in our domestic iron and steel enterprises at present. Iron and steel enterprises should reduce the length of channel, cause the channel to be flat, in order to reduce the cost, and enhance the economic efficiency.

本文主要从降低成本的角度，通过分析我国钢铁企业目前营销渠道中存在的问题，主要是渠道过长、成本过高问题，运用交易成本的有关理论，提出应该缩短渠道的长度，使渠道扁平化，加大直供用户的比例，从而降低成本，提高经济效益，增强我国钢铁企业的市场竞争力。

Finally, the effect of the channel depth and the channel width to the channel deposition were discussed preliminarily.

最后，初步探讨了航槽浚深和航槽底宽对航道回淤强度的影响。

Double channel bandpass sampling method for wide band IF signal is presented to settle the problem of blind zone,which exchanges one more sampling channel for simplification of clock circuit and band pass filter.As a practical reconnaissance receiver, real-time processing performance must be considered.Digital channelizing method lays the base of parallel processing by multi DSP chips and discarding of the redundant data resulting from double channel bandpass sampling.

针对带通采样存在着频率覆盖盲区的问题，提出了宽带中频信号双通道带通采样的方法，通过增加一个采样通道既解决了传统处理盲区方法中设计复杂采样时钟电路、高矩形系数滤波器的困难，还缓解了后续DSP处理压力。

The computer simulation showed the blind Sign-EMS MLSE algorithm is superior to conditional blind EMS MLSE algorithm in convergence speed and mean square error in typical telephone channel, symmetric channel and common channel.

通过计算机仿真试验，在典型电话信道，对称信道以及普通信道中，对该算法与传统的LMS盲最大似然估计算法性能作了比较，并证明了该算法在收敛速度、均方误差等方面均优于传统算法。

The formula of discharge varying with normal water depth in cubic parabola shape open channel uniform flow and the conditions satisfied by the optimal hydraulic cross-section in the cubic parabola shape channel were deduced according to the theory of open channel uniform flow .

根据明渠均匀流理论，推求了立方抛物线形渠道正常水深与流量关系的计算公式及其水力最优断面所满足的条件。

The river patterns of the study area were analyzed by the latest channel pattern discrimination in the last glacial maximum and deglaciation of the Late Pleistocene. The hydrology, sediment, environment parameters of the ancient channel in the study area, width-depth ratio F =22.22, suspended sediment concentration M =10.10%, channel curvature P =1.52, meander wavelength L =

然后应用最新河型判别方法，分析判别晚更新世末次盛冰期和冰消期研究区埋藏古河道的河流类型为辫状型；并分析得到研究区古河道的宽深比（ F ＝22.22）、悬移质含量（ M ＝10.10％）、河道弯曲率（ P ＝1.52）、河曲波长（ L ＝1 647 m）等古水文泥沙环境参数分类指标。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。