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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest ...
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本单元从介绍“水上城市”威尼斯面临的问题开始,分别介绍了龙脊梯田的开垦原因及运作原理、天然染料、特殊地理景观、因纽特人的生活、英国人对花园的热爱和英国的水果茶及花草茶文化,帮助学生了解人类生活与大自然的相关性:自然环境影响人类生活,人类可以充分利用大自然提供的生存环境并对自然环境进行适当改造。 本单元内容...
行星挥发物提取器和铲斗轮式挖掘机受到关注,以实现星壤利用的中期目标[65, 66]。当前关于这类采样器的研究主要集中在将其与冲击机构或气动样本传输系统相结合[67, 68]。在中期阶段,勘探范围和深度将更大,以便全面了解目标天体的地质情况[69]。将根据采样技术为所有类型的地形创建轮廓图,包括赤道和极地地区的山脉,...
26.(2019河西二模)66.我听说政府正在为野生大熊猫建立自然公园。I hear the govemment is ___ ___nature parks for the pandas in the wild.67.她转过身来,开心地看着我。She turned round and ___ ___ me happily.68.他掸去了外衣上面的雪。He ___ the snow ___ his jacket.69.当我走进卧室时...
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在某些疾病中,联合用药获批也比单药获批比例更高,例如,发性骨髓瘤,66%的获批是联合用药、结直肠癌(65%)、乳腺癌(63%)、脑癌(60%)和头颈癌(57%)。 审批途径的趋势 加速审批(Accelerated Approval,AA)途径是1992年引入的一种替代传统审批的产品审批途...
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