查询词典 demographer
- 与 demographer 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Construction sites and meat-packing plants there used to recruit many Hispanic labourers from California and other American states, says Jeffrey Passel, a demographer at the Pew Hispanic Centre.
皮优拉美裔研究中心的人口统计学家杰弗里·帕塞尔说：过去这儿的建筑工地和肉类加工厂常常会从加州和美国其他州招募许多西班牙雇工。
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境，房地产，二级和三级市场的发展更加迅速改善。