drift day by day 中文意思是什麼
drift day by day
解釋
逐日漂移-
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 ) 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 。
分享友人