查询词典 field-glasses

The juye coal field total geology keeps to measure 5,570,000,000 tons, is China east end a cake of in the region currently especially whole large pack coal field.

巨野煤田总地质储量55.7亿吨，是目前华东地区最后一块特大型整装煤田。

Phase 1 started with field pea followed by spring wheat whereas phase 2 started with spring wheat followed by field pea.The objectives of this thesis are:1 to quantitatively analyze effects of soil chemical,physical and biological properties on soil quality and productivity under different tillage systems and the driving factors for the changes of soil quality under tillage in a long-term,2 to select the best soil quality assessment indicators,and 3 to establish soil quality assessment models that are suitable for the erodible environment of semi-arid region on the Loess Plateau.

通过分析3个轮作周期不同耕作方式下土壤理化性质、生物性质和生产力对土壤质量的影响，阐明长期耕作过程中土壤质量的演变特征及其驱动因子，筛选出适宜于黄土高原半干旱区侵蚀环境下土壤质量评价的代表性指标；并综合前人的研究，结合区域特点，建立适宜于黄土高原半干旱区侵蚀环境的土壤质量评价模型。

Direct domestic and international communications and opened the wireless paging and analog, digital mobile communication network; for a total capacity of 45,300 kVA 7 of the substation to make an adequate supply of electricity throughout the county; agricultural and sideline products are potatoes, oats, field peas, Ma gourd, oats , Field peas, pea family, Ma gourd, buckwheat, and so on, the sheep population 160,000, is the base for fine-wool sheep County, Shanxi Province; lasting environmental quality of afforestation, the forest coverage rate reached 31.5 percent, the country's afforestation advanced County , The top ten counties in Shanxi Province forestry construction.

通讯直拨国内国际，并开通了无线寻呼及模拟、数字移动通讯网；总容量为45300千伏安的7座变电站使全县电力供应充足；农副产品有马铃薯、燕麦、野豌豆、葫麻、燕麦、野豌豆、家豌豆，葫麻，乔麦，等，养羊存栏16万只，是山西省细毛羊基地县；持久造林绿化使环境优良，森林覆盖率达31.5％，是全国造林绿化先进县、山西省林业建设十佳县。

"Maybe he needs to get in that poppy field for a while," Jackson said jokingly, referring to a scene in the movie in which Dorothy falls asleep in a field of poisonous poppies.

"也许他需要在罂粟花田里呆一会，"菲尔开玩笑说，他是指电影中多罗西在一片有毒罂粟花田中睡着了的场景。

It is an useful work to analyze distribution of track and field item in our country, which is helpful for learning present status and future development of track and field sport of our country.

我国幅员辽阔，认真分析田径运动项目在我国各地的分布状态对了解我国田径运动的现状和规划未来的发展将是一项有益的工作。

It shows that college students reject track and field sports is very common contrasting with the sports value. How to lead the students to study the track and field sport is the responsibility of college teachers.

结果表明，大学生拒绝参与田径运动的学习的现象非常普遍，与该项目本身的健身价值反差很大，因此引导学生进行田径运动学习是高校教师的重要责任。

The migration effect of electric field is dependent on strength of electric field and serum.

电场的作用依赖于电场强度和血清成分。

It does not need an external power supply to excite the rotor field and hence the field winding and slip rings are eliminated. This thesis sets up the mathematical model of the permanent magnet synchronous motor in SIMULINK.

本文主要研究了永磁同步电机交流伺服系统的建模仿真和基于TMS320LF2407A数字信号处理器的系统实现，主要内容如下：建立了永磁同步电动机在dq坐标系中的数学模型，在SIMULINK中建立了仿真模型。

Permanent magnet synchronous motors have been widely used as AC drives over the last two decades due to their high efficiency, high power density and no dc field winding in the rotor. It is well known motion control of PMSM requires accurate position and velocity signals to realize field orientation.

永磁同步电动机由于无需励磁电流、运行效率和功率密度都很高，在过去的二十年里已被广泛地应用在交流调速传动中，但它的高性能控制需要精确的转子位置和速度信号去实现磁场定向。

According to the analytic result of eletric field, winding end insulating structure is improved and short cushion-block and non oil-gap structure is put forward in the region where electric field is centralized.

根据电场分析的结果，针对场强集中，存在绝缘隐患的部位，改进了绕组端部绝缘结构，提出了短垫块结构、无油隙结构。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。