查询词典 cascade

We have studied the polarization beats spectroscopy with phase-conjugation geometry in a cascade three-level system.

文摘：研究了级联三能级系统中的相位共轭极化拍频光谱术。

Deuterostomia introduced a cascade system of peptides, which destroy not only bacterial but other membranes as well.

后口动物采用一种胜肽的阶梯式反应系统，能摧毁细菌及其他生物的细胞膜。

However, the technique occupies wide bandwidth which conflicts with a cascade of EDFA and whole system's bandwidth.

这一方面的工作主要集中于WDM光通信系统中四波混频特性的研究。

These main jobs completed are included:The cascade feedforward-feedback control system of the once-through stream generator is advised.

本文完成的主要工作有：设计直流蒸汽发生器的串级前馈—反馈控制系统。

Based on solidification theory and analysis of process of Aluminum alloy Direct Chill casting, the control system of DC casting for big size billet has been designed. For improving the quality of billet-optimized control strategy of cooling water must be determined to eliminate the instability of the traditional feedforward control, PID control and cascade control have been introduced.

通过对铝合金DC铸造工艺过程的分析，建立了铝合金DC铸造的控制系统；在分析DC铸造铸锭结晶凝固原理的基础上，完成了冷却水量自动控制的系统设计，并进行了控制策略的选择；基于对铝合金直接水冷铸造，DC凝固原理和工艺过程的分析，本文提出了大尺寸铝合金圆锭铸造的控制系统设计方案。

Main through reducing GIE color amount, contractible picture dimension is mixed reduce resolution to narrow file, also can use cascade style to be conveyed optimize a purpose.

主要通过减少GIE颜色数量、缩小图片尺寸和降低分辨率来缩小文件，也可以采用层叠样式表达到优化目的。

The article stated a number of issues which should be solved by commercial low-temperature Air-source heat pump,such as heat pump cycle of screw compressor with economizer, Two-stage screw compression system,double stage coupling heat pump,cascade refrigeration system.

文章阐明了带经济器的螺杆压缩机系统、双级往复压缩系统、双系统中间水路耦合系统、复叠式系统等商用低温空气源热泵系统需要解决的一些问题，对于更好地促进这空气源热泵技术的发展具有积极的意义。

Concentrated on the questions of high external water pressure and flow of the deep-lying tunnel, the basic theory and method calculating external water pressure are systematically studied, the high external water pressure of Jinping cascade 2 hydropower station is analyzed and studied in detail.

本文在总结前人研究成果的基础上，围绕深埋隧洞的突涌水和高外水压力问题，系统地研究了深埋隧洞衬砌水荷载和外水压力的作用机理及计算方法等理论，并对锦屏二级水电站深埋引水隧洞的外水压力问题进行了详细的分析和研究。

The method of finite element discrete and optimal parameter back analysis is adopted.(3) Concentrated on the question of high external water pressure of the deep-lying tunnel, the basic theory and method calculating external water pressure are systematically studied.(4) Based on Jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward.

2采用有限元离散—优化法进行参数的反演分析；(3)针对深埋隧洞的高外水压力问题，进一步分析和研究了衬砌水荷载及外水压力的作用机理和计算方法；(4)以锦屏二级水电站深埋长引水隧洞作为本文的主要研究对象，采用考虑降雨入渗渗流场分析的方法对排水方案和灌浆封堵方案不同情况下的渗流场的水头分布进行了数值模拟，并对其外水压力进行了分析和研究，提出了渗流控制的具体措施。

In order to design the controller of gas engine-driven heat pump system, the system s dynamic response was researched when a kind of control strategy for GEHP——cascade fuzzy control was used.

为了设计燃气热泵系统的控制器，通过仿真试验对利用串级模糊控制时系统的动态响应过程进行了研究，介绍了串级模糊控制系统的结构和参数设计，并比较了串级PI控制和串级模糊控制两种策略下系统的阶跃响应，以及它们克服干扰的效果。

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。