The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing gathering, and the use of watercraft.

沿海假说提出了一种以捕猎海洋哺乳动物、收集捕捞咸水鱼和使用船只为基础的经济模式。

The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing, shellfish gathering, and the use of watercraft.

海岸假说提出了一种以捕猎海洋哺乳动物、捕捞咸水鱼类、采集贝类和使用船只为基础的经济模式。

It is the world's smallest Marine mammal.

是世界上最小的海洋哺乳动物。

A bite that would be lethal to a large Marine mammal could damage the shark's jaws.

对于大型海洋哺乳动物的致命一咬将会伤害到鲨鱼的下巴。

The manatee, often called the sea cow , is the only exclusively herbivorous marine mammal.

海牛，通常也称之为海中之牛，是唯一一种海洋食草哺乳动物。

Marine mammal experts and the WWF believe the polar bear population in the region is increasing.

海洋哺乳动物专家和世界自然基金会(WWF)相信，现在该地区的北极熊数目在持续增长。

Obviously sleeping safely at sea can pose problems, but the Marine mammal system has addressed them.

显然安全地在海里睡觉会产生一些问题，但海洋动物的系统已解决了这些问题。

The competition can get vicious, says Adam Pack, a marine mammal biologist and psychologist at the University of Hawaii, Hilo.

这样的竞争会很残酷，亚当.帕克(Adam Pack)这么说，他是夏威夷大学的一位海洋哺乳动物学家及心理学家。

Although hunting of the blue whale was banned in 1966, the recovery of this magnificent Marine mammal has been exceptionally slow.

尽管1966年就已经禁止捕杀蓝鲸，但是这种巨大的海洋哺乳动物数量恢复的异常缓慢。

Mark Berman, assistant director of the International Marine Mammal Project at the Earth Island Institute, applauded the release.

国际海洋哺乳动物项目在地球岛学院的助理署长Mark Berman赞许这个释放。

Marine mammal observers and passive acoustic monitoring (PAM) systems were deployed, with soft-start of sources to minimize impact on wildlife.

此外，还部署有海洋哺乳动物观察员和被动声学监测（PAM）系统，同时采用电源软启动，以此减少对野生动物的影响。

Because it hasn’t developed enough stiff, mineralized cartilage yet. A bite that would be lethal to a large marine mammal could damage the shark’s jaws.

然而，研究人员惊奇的发现，体长小于三米的鲨鱼仅仅是看上去凶巴巴，因为它们还没有发育出拥有足够刚性和矿化的软骨，对一个大型海洋哺乳动物的致命一咬会损坏鲨鱼自己的颚。

The whales travel about 50 to 90 miles a day, says Alex Zerbini at the National Marine Mammal Laboratory, Alaska Fisheries Science Center in Seattle.

西雅图阿拉斯加渔业科学中心的国家哺乳动物实验室的Alex Zerbini告诉我们，这些鲸鱼一天内可以游50至90英里。

These mechanisms, part of the Marine mammal diving response, are adaptations to living in an aquatic environment and help during the process of sleeping.

这些机制作为部分海洋动物潜水的反应，是对在水生环境中生活的适应，并有助于睡眠。

One land mine blowing up one ship and choking the world's oil supply pays for the entire Navy Marine mammal program and its robotics program for a long time.

毁掉一座陆地矿井就可以让我们的一艘船瘫痪，如果停止全世界的石油供应，这会让整个海军的海豚计划和机器人计划在很长一段时间内痛苦不迭。

Team members with varying backgrounds in fish husbandry and Marine mammal training worked together to develop training plans appropriate for this unique species.

各具备鱼类饲养和海洋哺乳动物专门知识的饲养员研究出适合这种特别物种的训练计划。

KEY LARGO, Fla. - The newborn calf of a deaf bottlenose dolphin that was found stranded last fall off a Florida beach died Friday at a marine mammal rehabilitation center.

佛罗里达州消息-----上星期五，海洋哺乳动物复原中心，人们在佛罗里达海岸发现一只刚出生没多久的聋海豚的宝宝的尸体。

With its enormous body and scaly skin, Leviathan is usually referred to as a giant monstrous fish, but is also commonly described as a serpent, crocodile or Marine mammal.

凭借其巨大的身体和鳞状皮肤，利维坦一般被描述成一个巨大且可怕的鱼，但也经常被描绘为一条蛇、鳄鱼和其它海洋哺乳动物。

The U. S. Navy kept its Marine Mammal Program a secret until the 1990s, and this spring CNN became one of only a handful of media outlets to see firsthand how the program works.

美国海军一直保持这个秘密项目至90年代，在今年春季CNN才成为少数几个有机会一睹该项目运作方式的媒体。

But the September hunt was illegal, violating a federal court's 2002 order demanding that the Makahs get a waiver to the Marine Mammal Protection Act before killing another whale.

但九月份的捕杀是不合法的，它违反了联邦法庭2002年的颁布令，要求马卡人在新的捕杀之前要获得灰鲸从《海洋哺乳动物保护法》中被撤销的文件。

Up to 5, 000 bottlenose dolphins may be calving in the path of the Gulf oil spill, according to Moby Solangi, director of the Institute for Marine Mammal Studies in Gulfport, Mississippi.

密西西比海湾港海洋哺乳动物研究所的主任莫比·索朗基表示，在泄漏油污行进的海域中，有多达5000只宽吻海豚在繁衍下一代。

About 20 percent of all Marine families went extinct, as well as most mammal-like creatures, many large amphibians, and all non-dinosaur archosaurs.

约有20%的海生群落以及多数类似哺乳类的生物，很多大型的两栖动物，和所有的非恐龙的祖龙都灭绝了。