鲟鱼

Several Mississippi River paddlefish were as big as small sharks.

几条密西西比鲟鱼大若小鲨。

"Pike perch seem plentiful at this Kazakh processing plant, but the catch here has fallen sharply in recent yearsand thats not the worst news. The sturgeon, ancient fish that survived the transition from dinosaur age to the mammal era, may not survive the transition from communism to free market. The source of 90 percent of the worlds caviar, they are being decimated by poaching and pollution."

看上去在这个哈萨克人的加工厂里梭子鱼似乎是大丰收，但是近年来当地的捕获量实际上急剧下降这还不是最糟糕的里海鲟鱼，从恐龙时代到哺乳动物时代一直生存下来的古老鱼类，也许不能经历从共产主义到自由市场的变迁作为世界上90%鱼子酱的来源，它们正在因非法捕捞和污染大批死去

They spawn once every 5 to 7 years and yield about 25% of their body weight in roe.

淡水湖鲟鱼每5到7年产一次卵，产卵量可达其体重的25%。

Offers guided fishing charters for sturgeon, salmon, steelhead and trout in and around Vancouver.

提供引导捕鱼包机，为鲟鱼，鲑鱼， steelhead和鳟鱼和周围的温哥华。

First step was to order a set of Sturgeon plans from greg Sharpe at Deep Sea Designs.

第一步是为了一套鲟鱼计划从格雷格夏普在深海的设计。

There's nothing in our religion that says you can't eat sturgeon.

我们的宗教中没有说过你不能吃鲟鱼

The results of measurements and calculation show that Ig of sturgeon is tetramer.

分子量的测定及计算结果显示鲟鱼的Ig为四聚体。

Through nearly 10 years of time, at making the world 2000 the first sturgeon produces big country.

经过近十年时间，于2000年成为世界第一鲟鱼生产大国。

The August full moon is often called the Sturgeon Moon in North America.

在北美，8月的满月通常也叫做鲟鱼月。

Some 25 species of sturgeon exist globally, but only in the Northern Hemisphere.

全球大概有25种鲟鱼，但是都在北半球。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。