1) ecliptic
[英][i'kliptik] [美][ɪ'klɪptɪk]
黄道;黄道的
3) ecliptic
[英][i'kliptik] [美][ɪ'klɪptɪk]
黄道
1.
By investigating the development of the modeling of meteor radiant distributions,the relationship of meteor signals over forward-scatter links and ecliptic coordinate system is obtained,and the transformation from the heliocentric to the geocentric radiant distribution of sporadic meteor is derived.
分析研究了偶发流星辐射分布建模的发展,获得了流星前向散射通信链路和黄道坐标系统的关系,推导出偶发流星日心分布到地心分布密度的转换,并利用这个转换关系仿真出流星日心分布(轨道分布)和地心辐射密度分布。
2.
By investigating the relationship of meteor signals over forward-scatter links and ecliptic coordinate system,the transformation process from the heliocentric to the geocentric radiant distribution of sporadic meteor is derived,and the theory model of the Sporadic Meteor Radiant Distribution(SMRD).
分析研究了流星前向散射通信链路和黄道坐标系统的关系,推导出偶发流星日心分布到地心分布密度的转换过程,得到了偶发流星的理论辐射分布(SporadicMeteor Radiant Distribution)模型。
4) the old course of the Yellow River
黄河故道
1.
The paper summed up the desertification of land suitable for the old course of the Yellow River comprehensive governance practices and successful experiences.
河北、山东黄河故道区域通过沙化土地治理成效显著,沙化土地面积减少,森林覆盖率提高,为促进区域生态建设、经济发展、农民增收发挥了重要作用。
2.
By the inrestigation of the use of soil in changyuan county,this paper analysed the existing problem of soil use,suggested the messures the continual use of soil resorces in the area of the old course of the Yellow River.
通过长垣县土地利用的调查 ,分析了土地利用存在的问题 ,提出了黄河故道区域土地可持续利用的措
5) old course of the Yellow River
黄河故道
1.
Main achievement on ecological construction of sand-conrtol in the old course of the Yellow River in Liaocheng city,Shandong Province were summed up in this paper.
总结了山东省聊城市黄河故道治沙生态建设的主要成就,分析了治沙面临的问题和困难,提出了沙区生态建设、经济建设可持续发展的对策。
2.
The environmental background concentrations of soil heavy metals,HCH,DDT and organic matter in old course of the Yellow River(Shandong area) were studied.
对山东省黄河故道土壤环境中的重金属元素、六六六、滴滴涕等难降解农药和有机质含量进行了研究,并分析了重金属元素的纵向分布、有机质和重金属含量的相关性、不同土地利用方式对土壤背景值的影响。
6) loess tunnel
黄土隧道
1.
Variation characteristic analysis of a structural parameter for surrounding soils in loess tunnels;
黄土隧道围岩的结构性变化特征分析
2.
Construction technologies of loess tunnel at shallow-buried biased opening section;
黄土隧道浅埋偏压洞口段施工技术要点
3.
On roof ripping construction of incline shaft of large section loess tunnel in fork road section;
浅谈大断面黄土隧道斜井三岔口地段挑顶施工
补充资料：黄道
| 黄道 ecliptic 地球绕太阳公转的轨道平面与天球相交的大圆。从地球上看，黄道很接近于太阳在天球上作周年视运动的轨迹。由于地球公转受到月球和其他行星的摄动，地球公转轨道并不是严格的平面，即在空间产生不规则的连续变化，这种变化包括多项短周期的和一项缓慢的长期运动。短周期运动可以通过一定时期内的平均加以消除，消除了周期运动的轨道平面称为瞬时平均轨道平面。黄道的严格定义是：地月系质心绕太阳公转的瞬时平均轨道平面与天球相交的大圆。黄道是天球上黄道坐标系的基圈。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条