In cows and many other animals, the female is in estrus just before ovulation.

During estrus, the female is fertile and will accept a male.

在发情期, 母犬可以接受交配并且具有生育能力.

Three Methods: Were applied to research the estrus and ovulation induction of sows.

采用三种处理方法对母猪进行了诱导发情及排卵研究.

We also recognize the diversity and complexity of controlling in fluences in estuaries.

我们也认识到在河湾内控制影响的多样性和复杂性.

Friends in this festive, harvest August and enjoy the unique charm of the two estuaries.

网友在这喜庆 、 丰收的八月,领略两河口独特的魅力.

Nutrients arrive in estuaries from both the land and the ocean.

从陆地和海洋来的营养成分到达入海口.

One-dimensional simulation rivers, canals, sewer networks and estuaries.

用于河流 、 运河 、 下水道管网及河口的一维仿真.

Estuaries also contribute to economy through tourism and fishing.

河口还为人类提供了休闲和教育的场所.

Estuaries consist of a complex set of intergradational sub environments display considerable variation.

河口湾由一套变化明显的复杂的亚环境组成.

American gurnard; mostly found in bays and estuaries.

美洲鲂鱼; 多产于海湾和河口.

Second, Dr Worm considered estuaries.

接着, 沃姆博士研究了河口地区.

Now, many of their estuaries and coastal seas are suffering the same malady.

但是现在, 那里的许多河口和沿海地区却出现了同样的问题.

It is deposited in low-energy environments in lakes, estuaries and lagoons.

它沉淀于湖泊 、 河口和礁湖的 低能量 环境中,也可于沉淀于深海环境.

The indexes of estuarine ecosystem environment can assess the effects of water regulation.

水量调度效果如何,河口生态环境变化状况是非常重要的衡量指标.

The third is to protect the estuarine environment and natural resources against pollution.

第三,河口和近海环境、生态和自然资源保护.

This is propably connected with estuarine environment and dynamic mechanisms.

分析认为这些现象与其河口的沉积环境和动力机制密切相关.

Phenomenon of estuarine turbidity maximum zone is modeled by 2-dimensional numerical model.

利用平面二维数值模型模拟河口最大浑浊带现象.

Sediment transport is an important component of estuarine and coastal engineering research.

河口、海岸带泥沙输移问题是河口海岸工程研究的重要组成内容.

Yunnan 2 Hanis in Yuanyang , Estuarine.

云南二)元阳哈尼人, 河口.

Huang Ou estuary town of the north shore of the port town Yueqing Bay.

黄华镇为瓯江口北岸,乐清湾畔的港口集镇.

Estuary dynamics, regulation of navigation channels in estuary, and silt problems of harbours and navigation channels.

长期从事河口动力学 、 河航道治理及港口航道泥沙的咨询研究,曾为长江口、黄浦江、瓯江等河口整治工程提供咨询.