查询词典 electro-optical

College graduate or above, major in electro mechanics or electro automatics, and minimum 3 years work experience.

机电工程或电气自动化大专以上学历，至少3年的工作经验

In this paper, electro-hydraulic servo controlling radial piston pump with electro-hydraulic servo valve tracking step signal and some other signals is designed, and simulated with MATLAB/Simulink.

本文拟利用电液伺服阀对径向柱塞变量泵进行精确控制，并利用MATLAB做进一步的仿真和分析。

Electro-hydraulic valve and electromagnetic relief valve is not energized, the electro-hydraulic valve leakage in the medium load, electromagnetic relief valve is also in charge state of discharge, the main oil pump output back through the radiator tank.

电液换向阀和电磁溢流阀不通电时，电液换向阀处于中位泄荷，电磁溢流阀也处于泄荷状态，主油泵输出的油经散热器的回油箱。

It subdivides the electro-market of inner Mongolia in the fifth part of dissertation, in this basis, take the electricity of the total society demanding as the main factor, take the electricity of industry demanding divided by properties and electricity of district demanding divided by district as the subordinate factor, definitude the core target market of inner Mongolia electric power corporation divides up Baotou, Huhehaote and Wuhai according to district, industry and other electro-market according to properties; the main target market divides up Bameng and south west of Ximeng according to district, according to properties is agriculture market and resident market; the subordinate target market divided up Xuejiawan, Wumeng, Yimeng according to district, according to properties is merchandize and bite and sup, material supplied and sold and warehousing, traffic transporting and post communication, geological survey and exploration and construction market.

论文第五部分对内蒙古电力公司进行电力市场细分，据此基础上，把全社会总用电量作为母因素，分别把按用电性质划分的行业用电量和按用电区域划分的内蒙古电力公司所辖区域用电量作为子因素，首次运用灰色关联分析法进行目标市场确定，明确了内蒙古电力公司的电力市场营销的核心目标市场按地域分为包头地区用电市场、呼市地区用电市场、乌海地区用电市场，按用电性质为工业、其他事业用电市场；主要目标市场按地域分为巴盟地区用电市场、锡盟西南地区用电市场，按用电性质为农林牧渔水利业、城乡居民生活用电市场；次要目标市场按地域分为薛家湾地区用电市场、乌盟用电市场、伊盟用电市场，按用电性质为商业公共饮食、物资供销和仓储业、交通运输和邮电通讯业、地质普查和勘探业、建筑业用电市场。

Chapter one firstly elaborates the characteristics of electro-hydraulic proportional control technique, bulldozer's steering or braking devices' existent problems and developing tendency, secondly introduces research and development situations of domestic and foreign bulldozer single-lever operating, meanwhile brings forward single-lever steering and braking electro-hydraulic proportional control scheme and presents its main function and technique indexes, lastly points out this project's research significance.

第一章首先阐述了电液比例控制技术的特点、推土机转向制动操纵装置的现存问题及其发展趋势，介绍了推土机单手柄操纵国内外研究开发的现状，同时提出单手柄转向制动电液比例控制方案，对其主要功能及技术指标进行了介绍并指出了该项目的研究意义。

Ring appears armature electro-acoustic transducer, abandoned plane ferromagnetic disk Diaphragm Park, began to use his ring on the armature and the bonding of non-ferrous magnetic Park tapered at the end of radiator to lower the quality of the sound output pressure to increase by 5 decibels, to extend the frequency range of about 500Hz, the successful design, moving iron type electro-acoustic transducer to achieve the ultimate performance.

1950年出现的环型衔铁电声换能器，摒弃了铁磁性平面园盘振膜，开始采用环状衔铁和粘接其上的非铁磁性园锥形辐射体来降底质量，使输出声压提高了5分贝，频率范围扩展了约500Hz，这一成功设计使动铁式电声换能器的性能达到了极致。

Analyses the features and the problems of the hydraulic station with the cross spring electro-hydraulic pressure regulator and improves the station by replacing the cross spring electro-hydraulic pressure regulator with the electromagnetic proportional valve.

分析了十字弹簧电液调压装置液压站的特点及存在的问题，采用BYMD型电磁比例阀代替十字弹簧电液调压装置，对液压站进行改造，实践证明，改造后的液压站性能明显优于改造前，提高了提升系统的安全可靠性，对正在使用十字弹簧电液调压装置液压站的改造具有推广价值。

The general condition for athermalizing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expanded.

推导了物面位于有限远和无限远时，实现热补偿的通用条件；并阐述了利用归化T-C 图设计消热差和消色差的红外光学系统的原理和方法。

The general condition for athermalzing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expounded.

本文推导了物面位于有限和无限距离时实现光学补偿的通用条件，论述了利用归化T-C图设计热补偿和消色差红外光学系统的原理和设计方法，给出了8-12μm波段内、焦距123mm、相对口径F/2.5在20-60℃温度范围内的折衍混合红外光学系统的设计结果和理论评价结果，所述的设计方法可方便地推广到前视红外系统中。

Correlation between spin angular momentum s and background angular momentums of planets;2. In the paper the principle of optical rotation due to the transfer of spin angular momentum from light to particles was discussed by analyzing the interaction between the beam of light and birefringent crystal particles, and then an optical tweezers was formed on nanometer optical tweezers system with a linearly polarized light beam (He-Ne laser 633 nm, 10 mW).

从理论上分析了偏振光束与双折射晶体粒子的相互作用过程，讨论了由于光束自旋角动量向晶体粒子的传递所导致的光致旋转效应的原理，并在纳米光镊装置上利用线偏振He Ne激光器(633 nm，10 mW)形成了光镊光阱，利用1/4波片来改变光镊光束的偏振状态，在不同的椭圆偏振状态下实现了直径约为几微米的CaCO3 晶体微粒的捕获和光致转动。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。