这一区别引领了数十年的数学和物理学领域的研究，包括1984年由西蒙·唐纳森发现的伪四维空间。
The dichotomy has led to decades of research in mathematics and physics, including the discovery of "fake" four-dimensional Spaces by Simon Donaldson in 1984.
定义了差分GPS（DGPS）的对流层伪距残差的概念，并建立了数学模型。 用计算机对DGPS的对流层伪距残差进行仿真。
Then, the troposphere pseudo-range remaining error (TDRE) of differential GPS (DGPS) is defined, its mathematical model is constructed, and the computer simulation of TDRE of DGPS is carried out.
研究了直扩系统的数学模型，扩频用的伪随机码，扩频信号的相关接收，扩频系统的同步和跟踪等。
The mathematics model of DSSS, PN code, correlative reception of spread spectrum signal, synchronization and tracking are studied.
用NS方程作为隧道通风的数学模型，采用三次插值伪质点法求解ns方程。
NS equation was adopted as the model of tunnels ventilation, and this model was solved by Cubic Interpolated Pseudo-particle Method.
用NS方程作为隧道通风的数学模型，采用三次插值伪质点法求解ns方程。
NS equation was adopted as the model of tunnels ventilation, and this model was solved by Cubic Interpolated Pseudo-particle Method.
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