| 1. | The study says that means their catch has fallen by ninety percent from their highest levels 研究表示那意味着捕捞量从最高值下跌了90 % 。 |
| 2. | The study says that means their catch has fallen by ninety percent from their highest levels 研究显示那意味着海产品捕捞量将比最高水品是降低90 % 。 |
| 3. | The study says that means their catch has fallen by ninety percent from their highest levels 报告说,这意味着它们的捕捞量已从最高水平下降了90 。 |
| 4. | Professor worm says species have recently been disappearing from oceans at increasing speed 研究人员表示现在海洋野生生物的捕捞量已经锐减了三分之一。 |
| 5. | The study says that means their catch has fallen by ninety percent from their highest levels 研究称这意味着对海产品的捕捞量将会较峰值下降百分之九十。 |
| 6. | Diminishing tuna stocks worldwide have led to stricter enforcement of fishing quotas , with reduced catches driving up prices 全球金枪鱼数量的不断减少,已促使各国实施更严格的捕鱼配额,而捕捞量的减少推高了价格。 |
| 7. | Shallow sea of the chang qunqi that spend crab is marine , measure the biggest sea crab for our country resource , catching amount is maximum , edible value is high 花蟹常群栖浅海海底,为我国资源量最大的海蟹,捕捞量最多,食用价值高。 |
| 8. | Productions from capture and culture fisheries in 2002 were estimated at about 169 790 tonnes and 3 400 tonnes respectively , with a total value of $ 17 billion 二零零二年的捕捞量和养殖量估计分别为169790公吨和3400公吨,总值170亿元。 |
| 9. | Nearly one third of total catches are thrown back into the sea , often dead , because they are either the wrong species , too small , or over - quota 全球几乎有三分之一的渔获由于并非渔民的捕捞目标体积太少或捕捞量超过渔获配额而被丢回海中,大部份鱼类更因而死亡。 |
| 10. | Marine reserves are common in the tropics , butpolicymakers in temperate countries tend to focus on one species at atime to control numbers of that species caught 海洋资源在热带地区是共有的,但是温带地区国家的政策制定者们往往一次只重视对某一个物种的捕捞量进行控制。 |