查询词典 elver

The elver also didn't like the feed with rough texture and without viscosity.

质构粗糙，缺乏粘弹性的饲料同样不被仔鳗接受。

These have either fled north to stay cool or been fished to the last elver before being turned into salmon feed.

这些鱼类不是逃往北方寒冷的水域，就是在长成为鲑鱼食物之前被捕捞到只剩下幼鳗。

In the trial condition, the spat ratio of feed was increased from 20%to 80%when the elver fed the feed with different texture.

试验条件下，质构不同的饲料，其吐出率从20%升高到80%以上。

Episode 3 : An Eel's Marathon - On a perilous journey from the depths of the Pacific, a tiny elver travels over 2,000 miles to the rivers of Australia, surviving ocean currents and voracious predators to become a metre long monster.

第三集：鳗鱼马拉松-一个在太平洋深处进行的危险旅程。一条细小的鳗鱼游了超过二千里的路程到达澳洲的海域，遨过各个海洋的水流及凶悍的猎食者，最后长成一米长的怪物。

Therefore, the utilization of starting formula feed could ensure the growth rate of elver and also bloked the way to carry the disease germs, virus and parasites to the culture pond by natural feed.

采用该新型开食配合饲料在保证仔鳗生长率的前提下，彻底堵绝了由天然饲料带病菌、病毒和寄生虫入池的途径。

The first batch of trial starting formula feed for elver was produced from the cheap body tissues of aquatic livestock in the appropiate processing conditions.

以国内价廉水产动物体为主要原料，采用适宜的加工条件，制得国内第一批实验仔鳗开食配合饲料。

Elver detests the feed with larger particles. If the elver ate the feed with the particles in diameter of 70 micrometers, more than 60%feed would be spat.

仔鳗对饲料中的大颗粒极为反感，当饲料中出现直径为70 μm的组分时，被仔鳗摄入口中的饲料有60%以上被吐出。

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。