1) true zenith distance
真顶距
2) zenith distance
顶距
1.
just by pressing a button without the sea horizon to turn to,we should know clearly the relationship between the accuracy of zenith distance observed and the accuracy of a position fixed,the causes of the errors of zenith distance observed,what accuracy of zenith distance observed could be obtained and what accuracy standard should be used.
要在无水天线测天时一按按钮就可定出较精确的船位经纬度,必须弄清天体顶距测量精度对定位精度的影响,弄清顶距测量误差产生的原因,可达到的精度及选用适当的精度标准。
2.
The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.
论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。
3) apex distance
顶距
1.
The pipe driving construction method characteristics,pipe material choice,pipe driving force calculation and apex distance determination,working pit and receiving pit selection and size determination were analyzed.
对顶管施工方法工艺的特点、管材选择、顶力计算和顶距确定、工作坑和接收坑选用及尺寸确定等方面进行了分析,并提出了顶管法施工应注意的一些事项,以推广顶管技术的应用。
4) anadiplosis
[英][,ænədi'pləusis] [美][,ænədɪ'plosɪs]
顶真
1.
Halliday,from the perspective of Textual Metafunction,a study of anadiplosis will be carried out in this thesis,with the emphasis on the analysis of its Thematic Structure,Information Structure and Cohesive Devices.
文章以韩礼德的系统功能语言学为理论框架,从语篇功能的角度对顶真这种修辞形式进行研究,分析其衔接手段、主位推进模式、新旧信息的分布,从而阐释其对语篇连贯的作用,并总结语篇连贯的条件和判断标准。
2.
The paper makes a contrastive study on different English translations of three rhetorical devices including pun,anadiplosis and epigram adopted in Mao Zedong poems.
本文对毛泽东诗词中双关、顶真、警策等三种修辞格的英译进行了比较研究。
5) unsupported roof span
控顶距
1.
On the basis of some actual projects,such parameters as wall-rock loose loops and unsupported roof span are provided for Qianling Iron Mine,which can be used as reference and guide for similar projects.
结合工程实际,提出了前岭铁矿的围岩松动圈、掘进控顶距等参数,为类似工程提供借鉴和指导。
6) unsupported roof distance
空顶距
1.
To study the stability of surrounding rock in coal entries,rational unsupported roof distance was obtained ty thin plate theory;which supplied the theoritical base for the surrounding rock control in Daning mine,helped to raise exacavation efficiency and insure safe production.
为了进一步研究全煤巷大断面围岩的稳定性 ,针对大宁矿在掘巷道的情况 ,采用薄板理论分析 ,确定了其巷道掘进的合理空顶距 ,为大宁煤矿煤巷围岩控制提供了理论依据 ;有利于大宁矿进一步发挥掘巷机械的效率 ,保证了安全生
补充资料：“麻雀”远距空空导弹
此型导弹是世界上第一种批量生产能超视距迎头攻击的空对空导弹，美国较早开始研制的一种中程导弹，主要用于攻击敌方的轰炸机、战斗机和巡航导弹。１９５５年开始服役，从１９４６年至今已发展了十几种型号，如“麻雀ⅰ”、“麻雀ⅱ”、“麻雀ⅲ”、“麻雀ⅲａ”、“麻雀ⅲｂ”、“麻雀ａｉｍ－７ｍ”等.
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