porpoise

Mexico strives to save endangered porpoise .

墨西哥努力拯救濒危的鼠海豚。

What is the difference between a dolphin and a porpoise ?

海豚和和鼠海豚有什么区别？

A shoal of porpoises are well on the feed .

一群海豚正在吞食

Now , research on hundreds of harbour porpoises washed up around the UK over the past decade raises concerns about male fertility too .

现在，对过去十年中在英国各地被冲上岸的数百只港湾鼠海豚的研究，又引起了人们对雄性生殖能力的担忧。

In 1928 some porpoises were photographed working like beavers to push ashore a waterlogged mattress . 1928

年有人把这些海豚象海狸那样把一床浸泡了水的褥垫推上岸时的情景拍摄了下来

Scientists at the Zoological Society of London say harbour porpoises exposed to PCBs had smaller testicles , suggesting an effect on sperm3 count and fertility .

英国伦敦动物学会的科学家们表示，暴露在含有多氯联苯的环境下的港湾鼠海豚睾丸较小，这表明多氯联苯对其精子数和生殖能力有所影响。

This is not easy , and may require two porpoises working together .

这并不容易，而且可能需要两只海豚合作。

Investigation of Health Status of Yangtze Finless Porpoise in the Field

长江江豚野外健康状况的调查

And the porpoise is just one species under threat .

而海豚只是承受威胁的多种生物其中的一种。

The porpoises have not gone away long since .

从那以后很久了，这些鼠海豚都没有离开过。

Such conflict is a conflict of result not of porpoise .

这两种政策之间的冲突是结果上的冲突而不是目的上的冲突。

A yellow fatty oil obtained from porpoises and used as a fine lubricant .

一种从鼠海豚中提取的黄色脂油，用作优质润滑剂。

And could determine the movement direction of porpoise with a correct detection of 60.0 % .

在判断江豚移动方向时，正确判断率为60.0%。

A study on finless porpoise from Bohai Sea and Yellow Sea

黄渤海江豚的调查研究

Water quality analyzing of rearing Yangtze finless porpoise in semi - nature reserve

半自然水域中长江江豚饲养水体理化因子分析

First Report on Chronic Epidermal Inflammation of Yangtze Finless Porpoise

长江江豚慢性皮肤炎症的初报

Study on biology of finless porpoise from Yangtze river in captivity

长江江豚的饲养和观察

On the Behavior and Acoustic Observation of the Yangtze Finless Porpoise

长江江豚行为和声学观察研究

During the night two porpoises came around the boat and he could hear them rolling and blowing .

夜间，两条海豚游到小船边来，他听见它们翻腾和喷水的声音。

Diurnal behaviors and time budget of a female Yangtze finless porpoise during pregnancy

一只长江江豚妊娠期昼间行为及其时间分配

On that day , four porpoises were found dead , one of which was even pregnant with a baby .

当天有4条江豚死去，还有一头江豚肚子里正怀着胎儿。

The research progress of the finless porpoises and bat . 3 .

江豚及蝙蝠的研究进展。

The Finless Porpoise is another resident marine mammal species .

此外，江豚是另一种在本港海域栖居的海洋哺乳类动物。

Population viability analysis for the Yangtze finless porpoise

长江江豚种群生存力分析

The young porpoise just a birth , the mother then promoted it the water surface to breathe the first air .

幼海豚刚一出生，母亲便把它推出水面呼吸第一口空气。

Currently , the Yangtze Finless Porpoise is a second class national-level protected animal .

目前，长江江豚是国家二级保护动物。

I don 't think it 's a porpoise !

我觉得那不是海豚

The speed of swimming of the finless porpoise is generally 1 . 3 meters per second .

一般游泳速度为1.3米/秒。

More than 300 thousand small whales , dolphins and porpoises die due to commercial fishing each year .

每年都有30多万头小鲸鱼、小海豚还有鼠海豚因为商业捕捞而丧生。

Progress on conservation biology of Yangtze finless porpoise

长江江豚保护生物学研究进展