drift day by day 中文意思是什麼

drift day by day 解釋
逐日漂移
  • drift : n 1 漂亮;(潮流的)推進力。2 漂流物;吹積物;堆積物;【地質學;地理學】冰磧,漂礫。3 傾向,趨勢...
  • day : n. 戴〈姓氏〉。n. 1. 日,一日。2. 節日;規定的日期,約定的日子。3. 晝,白晝,白天;日光。4. 〈常 pl. 〉時代;全盛時代。5. 壽命,生平。6. (某日的)戰斗;勝負,勝利。
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  1. Continental drift the theory that present - day continents have arisen by the breaking up and drifting apart of a previously existing ancient land mass ( pangaea )

    大陸漂移說:現今的大陸是由以前的大陸破裂並分離漂移而逐漸形成的學說。
  2. ( 2 ) the fishing gears in hejiang section were divided into drift trammel net, set longline and jig according to the fishery status in hejiang section. " number of fishing boat day " was selected as the unit of fishing effort. the annual catch of the four kinds of fishing gears was get from multiplying catch per unit effort ( cpue ) by fishing effort

    ( 2 )根據合江江段的漁業現狀,將該江段的漁具分為三層流刺網、餌釣、滾鉤和其它偶見漁具四類,以「船?天」作為捕撈努力量的單位,用單位捕撈努力量漁獲量( cpue )乘以年捕撈努力量分別得到這四類漁具的年漁獲量,並將這四類漁具的年漁獲量相加估算出合江江段1999 - 2002年的漁獲量分別為104563 . 464kg 、 65564 . 231kg 、 123684 . 966kg和107285 . 272kg 。
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