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The difficulty with every single index of human carrying capacity is that its meaning depends on the value of other factors.
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每个人口承载能力的单一指标都有的困难是:它们的意义都依赖其他因子的值。 |
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The difficulty, evidently, is to disentangle the health risk and the financial reward from all the other motivations to choose a particular way of life.
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显然,难点在于,从所有其它选择特定生活方式的动机中,将健康方面的风险和金钱上的回报区别开来。 |
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The difficuties that confront us an be overcome.
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我们所面临的困难是能克服的。 |
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The diffident adolescent that tested the pride and patience of regulators is changing as another generation of employees contribute their ideas.
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公司羞涩的青春期曾经考验了公司掌舵人的骄傲与耐心的,随着新一代员工开始贡献出他们的智慧,这一状况也在改变。 |
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The diffuser length should be long enough to ensure the main flow deceleration.
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扩压段应具有一定的长度以保证主气流减速到一定程度。 |
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The diffusion mechanism wherein net atomic migration is from lattice site to an adjacent vacancy.
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一种扩散机制,这时候原子的净迁移过程是从晶格结点位置移动到邻近的空位中。 |
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The diffusion model and numerical simulation model for chaff clouds are modeled on the assumption that the speed of air where chaff locates is a Winner random process and the mass of chaff is zero so it can trace the atmosphere speed very well.
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摘要假定箔条所在位置处大气运动速度是一个维纳随机过程,同时在忽略箔条的质量时箔条的运动完全反应当地大气的运动,在此基础上建立箔条云团的扩散模型及数值仿真模型。 |
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The diffusion of ethnic cultures relies on some media while the original medium is a kind of culture, or a container of ethnic cultures.
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民族文化本身通过一定的介质传播,而民族文化传播原传介质本身也就是一种文化,换句话说,民族文化原传介质本身就是民族文化存储器。 |
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The diffusion of knowledge is the dominant trend of our time and goes well beyond the purely scientific.
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知识的传播是我们这个时代的主流,而且远远超越了单纯的科技领域。 |
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The diffusion of knowledge is the dominant trend of our time and goes well beyond the purely scientific. Consider the cases of Turkey and Brazil.
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知识的传播是我们这个时代的主流,而且远远超越了单纯的科技领域。想想土耳其和巴西的情况。 |
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The diffusion of polypropylene-g-poly (ethylene glycol) (PP-g-PEG) segments in PP blends was investigated by means of ATR-FTIR and SEM.
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摘要利用ATR-FTIR光谱对聚合物表面的组成进行定量分析,通过扩散动力学方程、拟合曲线和扩散系数考察了聚丙烯蜡/聚乙二醇接枝共聚物在聚丙烯共混体系中的迁移扩散。 |