With the control of ecological factors, fish can be induced to spawn synchronously with average rates of fertilization and incubation reaching 80 9% and 76 3% respectively.
运用人工调控环境因子和使用适宜的促熟与催产的方法，能诱导雌雄亲鱼性腺发育同步，平均受精率为80 9% ，平均孵化率为76 3 %。
The debate (around population control) needs to be reopened as part of a second ecological revolution.
作为第二轮生物进化的一部分，有关人口控制的辩论应重新展开。
Pirate fishing is out of control, depriving some the most world's most vulnerable communities of food and leading to ecological catastrophe, a three-year investigation has found.
一项为期三年的调查发现，掠夺式捕捞已失控，使世界上最脆弱的生物群落失去食物，导致生态灾难。
The discharge of major pollutants will be brought under effective control and the ecological and environmental quality will improve notably.
主要污染物排放得到有效控制，生态环境质量明显改善。
Constructed wetland technology that combines together of sewage disposal and ecological environment restoration, have extensive application prospects in water pollution control.
人工湿地技术将污水处理与生态环境恢复相结合，在水污染控制中具有广泛的应用前景。
The initial target of the protection and the preservation of the Bohai environment are that damage to the ecological environment is under control and improvements in environmental quality.
渤海环境保护和保全的初期目标是，达到生态环境破坏得到基本控制，环境质量得到明显好转。
Objective to explore the rule of growth and multiplication of snails in man made irrigation, and thus to provide evidence for snail control with ecological method.
目的描述人工灌溉区钉螺生长繁殖特征，为实施生态学方法控制钉螺提供理论依据。
From the building experience and achievements of London, Paris and Seoul, the greenbelt could play an important function in the control of urban form and maintain urban ecological balance.
从伦敦、巴黎、首尔等城市的绿带建设经验和其取得的成就来看，环城绿带在控制城市空间形态、维护城市生态平衡方面经常可以发挥重要的功能。
Certain patterns of different ecological agriculture, criteria of evaluation, and control measures Were propose for the purpose of soil conservation.
提出了以水土保持为主要目标的生态农业模式及其类型、评价指标和人工调控措施。
Currently, the basic control ways of land degradation in the world are still based on the ecological theory and the biological ways.
当前世界范围内对土地退化的治理，基本方法仍是基于生态学理论的生物方法。
The essence of urban land use evolvement is a functionary process of self-organized mechanism of urban ecological sight in the man-made control.
城市土地利用演化的实质是人为干预下城市生态景观的自组织机制作用过程。
Part four, the use of the concept of ecological monitoring of classroom teaching systems analysis, classroom instruction on the monitoring and control system structure, function and features.
第四部分，运用生态学理念对课堂教学监控系统进行分析，论述了课堂教学监控系统的结构、功能和特点。
There are several Suggestions given to improve the situation of financial ecological environment and internal control information disclosure.
第五章是本文的结论及相关建议部分，本章提出了改善金融生态环境和加强内部控制信息披露的多点建议。
Therefore, it can not cause a threat on ecological environment to use lindane in partial control of crop insect pest in China.
作者认为，在我国部分害虫防治中起用林丹不可能对生态环境构成威胁。
Some of ecological environmental changes rea conducive to control or elimination of schistosomiasis, but some ecological environment may lead to the spread of snails and schistosomiasis.
有些生态环境变化有利于控制或消除血吸虫病，而有些生态环境变化可能导致钉螺扩散和血吸虫病蔓延。
Ecological resurgence is attributed to pesticides weakening natural control systems whereas physiological resurgence refers to pesticide-induced stimulation of pest reproduction or hormesis.
前者的机制主要是药剂削弱了自然控制作用，后者主要是药剂引起害虫的毒物兴奋效应及补偿作用(刺激产卵)。
Amphibians play an important role in maintenance of ecological balance, control pests and so on, and they have important economic and medicinal value.
两栖类动物不仅在维持生态平衡、控制害虫等方面有重要作用，而且有重要的经济和药用等价值。
The fundamental control measure of IDD is a supply of iodized salt to residents in the affected areas and changing the ecological environment deficient in iodine.
给病区居民供应碘盐和改善生态环境缺碘状况，是防治碘缺乏病的根本措施。
The crux of prevention and control of jujube witches broom was to find out the leading factor of causing the disease in the light of local ecological environment and to take appropriate measures.
对于枣疯病的防治，关键是能够根据当地病害发生的生态条件，从中找出致病的主导因素，并有针对性地采取相应的防病措施，完全可以控制枣疯病害的发生和流行。
Biological and ecological features of Phloeaslnus aubel are introduced and monitor, forecast, and comprehensive control measures are presented on its development and damage characteristics.
介绍了柏肤小蠹的生物学和生态学特性，并针对其发生为害特点，提出了监测预报方法和综合治理措施。
This paper introduces the impacts of automobile exhaust gas pollution, traffic noise, etc. on ecological environment and human healthy, and discusses their control countermeasure.
本文介绍了汽车排气污染、交通噪声等对生态环境和人类健康的危害，探讨了调控对策。
The ecological functioning of the wetland, for instance, in flood control, water purification, and habitat provision for waterfowl and other birds, have been seriously affected.
沙化对湿地功能，诸如洪水调控、污染物净化以及提供动植物栖息地等造成了不同程度的破坏。
Biological amd ecological characteristics of Rhyzopertha dominica and its control were reviewed.
文章对谷蠹生物学、生态学特性，谷蠹抗药性及谷囊防治方法进行了综述。
For effective control of grasshoppers, it is essential to clarify the relationship between the growing and reproduction of grasshoppers and the ecological environment they live in.
为了有效地进行草地蝗虫的防治，必须摸清其生长和繁殖与生态环境条件的关系。
The spread of paragonimiasis was controlled with the ecological environment changes and the control methods enhanced in populati…
随着生态环境的变化及全民防治肺吸虫病的传播已被控制。
The optimal ecological control factors of ethanol type fermentation is put forward.
提出了乙醇型发酵的最优控制因素。
While it's very difficult to achieve the improvement of ecological environment by emphasizing the "Comprehensive control" basing on 100% self supply of grain.
而强调1 0 0 %的粮食自给之基础上的“综合治理”则很难实现生态环境的改善。
In the process of reflection, many scholars believe that the anthropocentrism which advocate conquer and control of nature is the culprit for the ecological crisis of modern society.
在这个反思的过程中，不少学者认为，主张征服、控制自然的人类中心主义是现代社会生态危机的罪魁祸首。
The serious soil erosion threatens ecological environment of Miyun reservoir watershed. How to control soil erosion and to improve ecological environment becomes significant.
然而严重的水土流失威胁着水库集水区生态环境，如何治理集水区内的水土流失，改善集水区生态环境非常重要。
The serious soil erosion threatens ecological environment of Miyun reservoir watershed. How to control soil erosion and to improve ecological environment becomes significant.
然而严重的水土流失威胁着水库集水区生态环境，如何治理集水区内的水土流失，改善集水区生态环境非常重要。
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