行星紀要 的英文怎麼說
中文拼音 [hángxīngjìyāo]
行星紀要
英文
planet notes-
The queen has laid her wreath at the cenotaph on remembrance sunday every year of her reign, except in 1959, 1961, 1963, 1968, 1983 and 1999 when she was either pregnant or overseas on an official visit
除1959年、 1961年、 1963年、 1968年、 1983年和1999年外（懷孕或正在國外進行官方訪問） ，每年都要參加陣亡將士紀念日（每年的11月11日或最近該日的星期天）的紀念活動。The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程，介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況，這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
文摘:敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程，介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況，這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平With a dim dissociation, as if i were receiving reports from a distant planet, i heard that the danes had rejected the european exchange rate mechanism and that there was to be a memorial concert for freddie mercury at wembley
我有點迷失，彷彿我正在一個遙遠的星球接收報告，我聽到丹麥人否決了歐洲匯率機制，以及要為弗雷迪?摩克瑞（ 「皇后樂隊」主唱）在溫布利舉行紀念演唱會的消息。分享友人