| 1. | The mathematical representation and their significance of geological timing with milankevitch theory
米兰柯维奇地质定年方法的数学表达及其意义 |
| 2. | These cells overlay a geographic area like a matrix , with a mathematical representation formalized in a field called
这些网格覆盖一个像矩阵一样的地理区域，并在一个名为 |
| 3. | The shape of ship - hull surface is very sophisticated . mathematical representation of ship - hull surface is important in shipbuilding industry
船体曲面比较复杂，在实际应用中，实现船体曲面的数学描述非常重要。 |
| 4. | The cosmological constant is a mathematical representation of the energy of empty space , also known as " dark energy " , which exerts a kind of anti - gravity force pushing galaxies apart at an accelerating rate
宇宙常数是空虚空间能量的数学描述，一般称为黑暗能量，这种反引力促使星系彼此加速远离。 |
| 5. | Rational refers to the underlying mathematical representation . this property allows nurbs to represent exact conics ( such as parabolic curves , circles , and ellipses ) in addition to free - form curves
非均匀指曲线的参数化法。非均匀曲线允许（其它东西之一(我也没看懂) ）多重结点的存在，这是模拟贝赛曲线所必需的。 |
| 6. | The article gives a mathematical formula theory based on kolmogorov ' s complexity , description probability , orinducing probability , and its explanation and gives a way in which mathematical representation is able to be explored
摘要本文根据贝叶斯公式，推理概率等理论推导，讨论了情报学研究中的几个原则，并给出了相应的解释。 |
| 7. | The thesis has investigated two theoretical problems involved in navigation systems . one is the mathematical representation and computation of navigation information ; the other is the optimal real - time fusion strategy , i . e . , filtering , of navigation information
本文研究了导航系统中所涉及的两个基本理论问题:导航信息的数学描述和数值解算;导航信息的最优实时融合(即滤波)策略。 |
| 8. | We systematically analyze different types of uniform ppm - ps signals , including inter - pulse quasi - random binary coded ps signals , pulse - family quasi - random binary coded ps signals and pulse - family random binary coded ps signals . we give their definitions and mathematical representations , derive their spectra and ambiguity functions , plot the ambiguity figures and cut , and analyze their correlation properties and other performances
系统地分析了脉间伪随机二相码脉冲串、脉组伪随机二相码脉冲串和脉组随机二相码脉冲串均匀脉位调制脉冲串信号；内容包括它们的定义、数学描述方法、频谱和模糊函数的推导与计算、模糊图的绘制和切割、相关特性及性能。 |
| 9. | This thesis is based on an empirical research on the correlation between mathematics self - efficacy and mathematical representation . the main methods adopted are questionnaire survey and cognitive production analysis . the researcher conducts experiment on 232 students from three middle schools in nanjing
研究以bandura的自我效能理论为基础，主要采用问卷调查法和认知作业分析法，对南京三所中学的232名初三学生进行了数学自我效能感研究、数学自我效能感与数学问题表征的相关研究。 |
| 10. | When high school students are solving chemical problems , they usually choose a familiar way to represent the problem , or sometimes may use several representation methods ( symbol representation , mathematical representation , chart - word representation , words representation and so on ) to represent the same problem . problem representation has difference in levels and sorts . the appearance of the problem and the problem solver ' s knowledge structure largely affect the problem representation
在解决化学问题时，中学生通常以一种自己熟悉的表征方式表征问题(也常使用符号表征、数学表征、图文表征、言语表征等多种表征方式表征同一个问题) ；学生在问题表征中存在着问题表征的层次和种类差异；问题的呈现方式和问题解决者的知识结构较大程度地影响着问题表征。 |
