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The definition of wetlands given by the Convention on Wetland(The convention on the Wetland of International Importance especially as Waterfowl Habitat) on Wetland is as follows: Wetlands are areas of marsh, fen, peatland or water, whether natural or arti
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目前国际上公认的湿地定义是《湿地公约》做出的，即：湿地系指不问其为天然或人工、长久或暂时之沼泽地、泥炭地或水域地带，带有或静止或流动、或为淡水、半咸水或咸水水体者包括低潮时水深不超过6米的水域。 |
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The definition, form and feature of practice were discussed in view of heteromorphism and the result that positive measures should be taken to decrease the negative effects of practice was concluded.
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从异态化的角度讨论了实践负效应的含义、表现及特点，提出了采取积极措施减少实践负效应的几点措施。 |
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The definition, functions, cost-benefit analyses, and researches at firm level of knowledge codification are expatiated and evaluated in this paper.
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在研读大量文献的基础上，对知识编码的定义及其作用、知识编码的成本－收益分析、以及企业层次上的知识编码研究等进行了述评。 |
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The definition, structure and influence factors of depurative effect for contamination removal in constructed wetland system are introduced.
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简要介绍了人工湿地的定义、结构组成和系统对污染物去除效果的影响因素。 |
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The definitions and the conditions of cavitation erosion and flash vaporization have been discussed in detail; the paper also shows examples of different definitions in different books, which cause the complexity of calculating discharge factor and the da
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摘要对气蚀和闪蒸的定义、产生的条件进行了详细论述，以规范不同版本书籍在概念上的模糊不清，以及由此造成的调节阀流量系数计算的复杂性和对调节阀的损害，以便采取相应措施，在实际工况条件下加以避免。 |
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The definitions of two critical speeds of the target (undetectable speed and partially detectable speed) are given, and the functional relation between these two speeds and sensor parameters are presented.
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据此分析了目标的速度与检测可能性之间的关系，给出了不可测临界速度和部分可测临界速度的定义及其与传感器参数之间的函数关系。 |
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The deflation Mr Ma predicted has shown no sig of abating， thanks to a number of factors that include the currency peg， cheaper costs on the mainland and government relief measures.
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马先生所预期的通缩丝毫没有减退迹象，这多得数个因素，包括联系汇率、大陆相对的低成本和港府的减免措施。 |
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The deflation Mr Ma predicted has shown no signs of abating， thanks to a number of factors that include the currency peg， cheaper costs on the mainland and government relief measures.
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马先生所预期的通缩丝毫没有减退迹象，这多得数个因素，包括联系汇率、大陆相对的低成本和港府的减免措施。 |
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The deflator for core personal-consumption expenditure (PCE), Fed officials' favoured index, was up 2.1% in the year to April.
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美联储钟爱的核心个人消费品支出平减指数从年初到四月上升了2.1%。 |
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The deflecting or warding off of a thrust or blow, as in fencing.
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挡开对于刺或击所采取的避开或挡开的动作，如击剑中的一挡 |
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The deflection of filaments between two fulcrums was analyzed.
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摘要分析了两种情况下的丝线的挠度。 |
