It studies these populations in the past, present and future using quantitative data and mathematical models as tools of analysis.
它使用定量数据和数学模型作为分析工具，研究这些人口在过去、现在和未来的情况。
It studies these populations, in the past, present and future, using quantitative data and mathematical models as tools of analysis.
它使用定量数据和数学模型作为分析工具，研究这些物体在过去、现在和未来的数量。
It is clear from these studies that good compression ratios are possible and the download time of Web content can be accelerated using HTTP compression.
从这些研究不难看出，好的压缩比是可能的，而且也可以通过HTTP压缩加速Web内容的下载时间。
The research team that conducted these studies has just completed similar ones using the skiing game Alpine Racer 2.
研究人员做这个试验时，也正好完成了一个类似的试验，后者玩的游戏是山地赛车2。
But researchers say more studies are needed to fully understand the potential impact of using these two popular classes of drugs together.
但是研究人员说需要更多的研究来充分地理解同时使用这两种常用药的潜在影响。
These studies also revealed that individuals using the technique show significant reduction in heart rate and diastolic blood pressure.
这些研究同样揭示了运用这一方法的个体出现了心率和舒张压的显著下降。
At present, there are many domestic studies on credit analysis of student loans, but these studies are qualitative researches basically, seldom using quantitative methods to set up analysis models.
目前国内对大学生助学贷款个人信用的研究定性分析居多，很少运用定量的方法建立分析预测模型。
Using sample data from the survey of rural immigrants in Shenzhen in 2005, this paper quantitatively studies contraceptive use among these migrants form whole network perspective.
本文采用2005年“深圳市外来农村流动人口调查”数据，利用社会网络分析方法从整体网络角度定量研究了农民工避孕行为的影响因素。
These results provide initial data to be pursued with additional studies toward the goal of using the virus in a clinical trial for the treatment of medulloblastoma.
我们的研究数据能够为进一步的麻疹病毒治疗髓母细胞瘤的临床研究提供依据。
Although these studies have taken some positive results, there is still the technology gap to carry through upon using lignin as one of raw material in high polymer industry.
这些研究虽然取得一些成果，但要把木质素作为高分子工业的基本原料之一加以利用尚有较大距离。
The modern brain function imaging techniques and the brain function studies by using these techniques are discussed.
介绍了现代脑功能成象技术，以及用脑功能成象技术研究脑的高级功能的方法。
These temporal phenotypic plaque alterations should be taken into account for biomarker and therapeutic target validation studies using human atherosclerotic plaques.
在使用人类粥样硬化斑块作为生物标志物和治疗标靶的有效性研究中，应该考虑这些暂时性的斑块类型的改变。
The conventional studies of algebraic invariants and geometrical properties are that these invariants are derived for planar objects using points, lines from one single image.
代数型是数学中重要的基本概念，代数不变量是代数学的重要研究对象之一，也是数学与其它领域研究与应用的一个重要工具。
However, these studies are almost always for a single robot, while there is a little even no study of using two series robots on its work space and error compensation.
但是，这些研究几乎都是针对单一机器人的，利用两台机器人串接来研究机器人的工作空间和误差补偿等却很少甚至没有。
In order to solve these problems in application, using domestic and Japanese sheet, the paper studies the performance and process of stamping by comparative test.
为了解决这些应用中的问题，本文对国产板和日本板进行了冲压成形性能和工艺性的对比试验研究。
In order to solve these problems in application, using domestic and Japanese sheet, the paper studies the performance and process of stamping by comparative test.
为了解决这些应用中的问题，本文对国产板和日本板进行了冲压成形性能和工艺性的对比试验研究。
应用推荐