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These fossils, however, are of vital importance in understanding the early evolution of cycads, and therefore worthy of reinvestigation.
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因当时资料不足,所以没有确定属种名称。 但鉴于这些化石在苏铁类早期起源与演化研究中具有重要意义,故对它们作了重新研究。 |
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These genital mycoplasma infections may coexist with other venerea diseases.
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生殖道支原体感染可与其他性病并存。 |
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These logical mistakes confuse the cost and reap,and make the whole model and its conclusions be incorrect.
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这种将成本与收益混淆起来的逻辑错误,使得整个模型及其结论都是不成立的. |
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These measures are to consummate service quality management system, to seriously select and train the employees, to manage the expection of guests, and successful service recovery.
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在上述研究的基础上,针对我国饭店服务质量管理中存在的一些主要问题,该文提出了提高饭店服务质量的具体对策建议:完善服务质量管理体系、认真挑选并培训员工、管理宾客期望、成功的服务补救。 |
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These medium as follows: the optimal medium of silk floss walnut in vitro in Huating contained DKW+BA0. mg/L+IBA0.0 mg/L; The optimal medium of thin shelled walnut in vitro in Wuwei contained DKW+BA0. mg/L+IBA0.0 mg/L. ;
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从中筛选了种最佳增殖培养基,华亭绵核桃最适培养基的配方为DKW+0.BAmg/L+IBA0.0mg/L,武威薄皮核桃最适培养基的配方为DKW+BA0.0mg/L+IBA0.0mg/L。 |
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These practical formulae can be directly applicable to the wind resistance design of single hip roofed buildings.
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该实用公式可直接供单体四坡屋面房屋抗风设计参考和应用。 |
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These problems include service procedure complexity, the service quality cheesy, decision support lack and automation flow procedure scarcity.
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当电子政务建设不断深入,暴露出服务程序复杂,服务质量低,提供决策支持少,自动流程处理支持差等问题。 |
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These results allowed us to map these YACs, and finally YAC contigs were obtained in Xp. -. ,covering about Mb.
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综合上述信息,对这些YAC进行了排序,在Xp. -. 区得到了个0YAC重叠群,覆盖了约Mb的范围。 |
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These results allowed us to map these YACs,and finally YAC contigs were obtained in Xp ~ ,covering about Mb.
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综合上述信息,对这些YAC进行了排序,在Xp. ~. 区得到了个YAC重叠群,总共覆盖了约. Mb的范围。 |
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These results further certify the heteroatom coordination promoted homolytic reaction of the Ln-N(Ln = Yb、Eu) bond.
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通过上述实验结果进一步证实了经过杂环氧原子的配位,能促使Ln-N(Ln = Yb、Eu)键均裂,得到Ln(II) (Ln = Yb、Eu)化合物,进一步拓展了这种合成二价镧系有机化合物的新方法。 |
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These results improve oscillation criteria of Wint-ner,Hartman,Kamenev,Yan and Philos using a generalized Riccati transformationu(t)=a(t) r(t). x′(t)x(t)+k(t). Wherek∈Cis a given function on[t0,∞)anda(s)=exp{-∫sk(ξ)dξ}.
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这些结果改进了Wintner,Hartman,Kamenev,Yan和Philos利用通常的黎卡提变换u(t)=a(t)r(t)xx′((tt))+k(t),其中k∈C是[t0,∞)上的连续函数,和a(s)=exp{-∫sk(ξ)dξ}所得的振动准则. |