echo n. (pl. echoes) 1.回聲,反響;共鳴,反映。 2.重復(fù),摹仿;摹仿者;應(yīng)聲蟲。 3.【音韻學(xué)】與上句末音押韻的詩句。 4.〔E-〕 【希臘神話】山林的女神。 5.(雷達(dá)的)回波,反射波。 find an echo in sb.'s heart 得人共鳴。 to the echo 大聲,高聲 (applaud [cheer] to the echo 大聲喝彩)。 vt. 1.使反響。 2.模仿,重復(fù)。 3.反射(聲音等)響。 echo sb.'s words 隨聲附和。 vi. 1.發(fā)出回聲,共鳴 (with)。 2.重復(fù)。 3.(橋牌戰(zhàn)中)打出報(bào)信牌。
This radar database system fits for china's radar network using object-oriented programming design method, recording some important parameters of radar data : the longitude, latitude of radar station, radar type, radar wavelength, radar data format, weather kind ( kind of intensity radar echo, schema of velocity radar, echo shape ) embodying in the radar data, etc . it also records the weather course information embodying in a series of relational radar data : the beginning time of weather course, the ending time of weather course, weather type, etc and the disk information, including recording time, recording contents, recording data number and weather type, etc . above all, this system realizes some basic operational processing : adding, deletion, updating, query of records and also some assistant functions : exportation, data transformation, displaying, backing up of data 該數(shù)據(jù)庫系統(tǒng)采用面向?qū)ο蟪绦蛟O(shè)計(jì)方法,用visualc++6.0作為應(yīng)用程序的前端開發(fā)工具,用microsoftaccess2000做數(shù)據(jù)庫,不僅實(shí)現(xiàn)了對(duì)雷達(dá)基數(shù)據(jù)信息的一些基本操作:記錄信息添加、刪除、修改、查詢,還實(shí)現(xiàn)了處理、分析雷達(dá)基數(shù)據(jù)所需的一些操作:數(shù)據(jù)導(dǎo)出,數(shù)據(jù)格式轉(zhuǎn)換、數(shù)據(jù)回顯(圖像方式和動(dòng)畫方式)、數(shù)據(jù)壓縮、備份等,另外針對(duì)日前雷達(dá)臺(tái)站存儲(chǔ)雷達(dá)數(shù)據(jù)的現(xiàn)狀,還實(shí)現(xiàn)了對(duì)存儲(chǔ)光盤的管理。