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secondary planet 【天文學】衛星。

secondary protection tube

This article explains the notion of the city - country exchanging movement and its practical significance , analyzes the mechanism of the centralization economic law to the city - country exchanging movement , then brings forward some measures to realize the exchanging movement between cities and countries from such aspects as : census register , employment and the rural land system , rural corporations centralization , the functions of secondary planet towns , and so on 摘要本文闡述了城鄉互動的概念及其含義與現實意義,分析了集聚經濟規律對城鄉互動的作用機制,從戶籍、就業和農村土地制度、鄉鎮企業集聚、衛星城鎮功能諸方面,提出了實現城鄉互動的對策。

The installation of hts filters in the front receivers of cellsites is ideal for reducing interference , saving frequency resources , expanding coverage , enhancing communicating quality and speeding transferring data . it also has promising application values in the field of spaceflight , secondary planet , communication and radar 移動通信基站接收機前端通過應用高溫超導濾波器,可以減小干擾,節約頻率資源,增加基站覆蓋范圍,提高通話質量,減少盲區,提高傳輸數據的速率,在航天,衛星,通信,雷達等領域具有廣泛的應用前景。

The antenna driver is the key part of the secondary planet system . in this paper full - digital ac - servo control system based on dsp ( digital signal processor ) is adopted to control antenna rotating , which improves greatly system reliabity and stability 本文就是為解決某型號衛星天線的穩定旋轉而專門設計的以電機專用控制芯片dsp為控制核心的全數字化交流伺服驅動系統,從而極大提高整個系統轉速穩定度和可靠性。

Since 20th century 1980s , information tidal wave fills the whole globe base on computer technology fiber and secondary planet communicate technology , information level become important sign which weighs a country ' s modernization level and synthesis national power 從20世紀80年代以來,以計算機技術、光纖和衛星通信技術為特征的信息化浪潮席卷全球,信息化成為衡量一個國家現代化水平和綜合國力的重要指標。

The article , taking hei - he road bridge in the center of jiu - quan secondary planet for engineering background and employing finite element program to research this bridge , draws some significant conclusions 本文以酒泉衛星發射中心黑河公路大橋為工程背景,應用通用有限元程序對該橋型進行了較為系統的研究,得出一些有意義的結論。

The wireless access technology main apply in telephone net , mobile communication net , wireless communication system , secondary planet mobile communication system , personal communication net 無線接入技術主要應用于電話網,移動通信網,無繩通信系統,衛星移動通信系統,個人通信網等。

Establishing numerical value connection between ground data and remote data by math model when secondary planet over head 2 通過數學方法建立起衛星過境時的地面數據與遙感數據間的數值關系。

The olympic games in tokyo japan in 1964 was the first program which was transmitted through the secondary planet 1964年在日本東京舉行的奧運會是第一個通過衛星播送的節日

The olympic games that celebrate in tokyo japan 1964 is the firt act transit though the secondary planet 1964年在日本東京舉行的奧運會是第一個通過衛星播送的節日

The first program of olympic that be transmitted by secondary planet is hold in tokyo , japan in 1964 1964年在日本東京舉行的奧運會是第一個通過衛星播送的節日

The olympics staged in tokyo , japan in 1964 is the first program sent via secondary planet 1964年在日本東京舉行的奧運會是第一個通過衛星播送的節目

The secondary planet is sent by rocket 這顆衛星是由火箭發射的

The secondary planet is laubched by rocket 這顆衛星是由火箭發射的

These are grasped by the secondary planet an hour ago 這些是一小時前被osiris衛星攝到的

- do you have the photo grasped by the secondary planet -你有osiris拍的衛星照片沒

Do you have the photo grasped by the secondary planet -你有osiris拍的衛星照片沒