爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.catch of total fishing effort
捕捞总努力量渔获量收藏指正
2.AN APPROACH TO ADJUSTING THE FISHING EFFORT ON THE TRAWL FISHERY IN EAST CHINA SEA AND HUANGHAI SEA
东、黄海底拖网渔业渔捞努力量修正方法的探讨收藏指正
3.THE OPTIMAL FISHING EFFORT AND MANAGEMENT ON THE FIXED NET,TRAWL AND LIGHT SEINE FISHERY IN THE OFFSHORE OF THE MINNAN AREA
闽南地区近海定置、拖、围网渔业最适捕捞力量及其管理措施收藏指正
4.Russia temporarily stopped exporting black caviar and halted commercial fishing of sturgeon in the Caspian Sea recently in an effort to save the fish from extinction.
为了保护鲟鱼使之免于灭绝,俄罗斯最近暂时停止了黑鱼子酱的出口,并停止在里海的商业性捕鱼行动。收藏指正
5.With the aim to study the fishing variations between the single-trap set net and the double-trap set net, catch per unit effort (CPUE) and seasonal index derived from monthly landings at two fixed shore-nets along the coast of Tang-Ao in northeastern Taiwan were examined for the last 10 years from 1975 to 1984.
摘要为究明改良型定置网(双落网)与常规型定置网(单落网)之渔获效率及渔期差异性,乃以东澳新协发定置渔场网型改良前后各5年之鱼种别历月渔获统计资料加以检测解析,结果如次:(1)网型改良后的总平均单位努力渔获量较改良前成长3倍有余。收藏指正
尝试查询
汉英释义