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- FAOSTAT provides access to over 3 million time-series and cross sectional data relating to food and agriculture. FAOSTAT提供了一个进入3百万个时间数列和横截面数据的、与粮食和农业相关的数据库的通道。
- As the development of theory and method in econometrics and its more and more extensive application we should make use of both cross sectional data and time series data. 随着计量经济学理论方法的发展和应用领域的拓展,经常需要同时采用截面数据和时间序列数据作为样本。
- Standard Absorption Cross Section Data Processing in Differential Optical Absorption Spectroscopy System 差分光学吸收光谱系统中标准吸收截面数据处理方法研究
- A pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子,支撑一个拱顶或屋顶
- regional cross section data 区域截面数据
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A specific layer of soil or subsoil in a vertical cross section of land. 地层,岩层处于土地的垂直横截面中的某一具体土层或次土层
- cross section data 截面
- The Mett cross section applies to a point scatterer. 莫脱截面适用于点散射体。
- If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals. 如果我们观察水波的横截面,我们会看到波形是按一定的间隔重复的。
- This old man is a cross section of modern artists in Britain. 这位老者是英国现代艺术家的典范。
- Agricultural proportion and agricultural modernization lose relevant law Guo Jianxiong one, experience Baconian 1 , sectional data. 农业比重与农业现代化负相关规律郭剑雄一、经验归纳1、截面数据。
- Jeffrey M Wooldridge,"Econometric Analysis of Cross Section and Panel Data",The MIT press. 古扎拉蒂:计量经济学基础(第四版).;中国人民大学出版社
- Runners cross section type and size as per standard. 流道切面形状和尺寸符合标准。
- They do not represent a complete cross section of his works. 这当然并非包括了他的全部著作。
- A thrombosis of a coronary artery is shown here in cross section. 此横截面显示冠状动脉血栓形成。
- After incision, on the cross section also can have redfiliform. 切开之后,断面上还会有红色的丝状物。
- In this paper, we delaminated the Point Clouds and sorted the layered section data in cylindrical coordinates system. 对点云数据分层,然后对层截面数据采用柱面坐标排序。
- It is suitable for conductor cross section is 35-120 mm2. 它是合适的导线截面35-120平方毫米。
- The relation between the national tourism payout capacity and personal GNP is analyzed on sectional data of 30 countries in ′90s. A regression equation as a standard line of national tourism payout capacity is put forward. 利用90年代的截面数据,分析了国际旅游支出与人均GNP(国民收入)的关系,建立一个回归模型可作为国际旅游支付标准线;
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries