Analysis of Aerodynamic Characteristics of PSD under the Piston Wind Influence in Subway.
地铁活塞风作用下屏蔽门的气动特性分析

Experiment escorts us last, His pungent companyWill not allow an axiomAn opportunity. When the cart stopsdo you whip the cartor whip the ox?
当牛车停下来, 你是赶车呢？还是赶牛？

This paper also discusses the frequency amplitude specialty of DPSD algorithm, simulation results coincide with the theoretical analysis.
完全性定理是说一阶逻辑对推理的语法和语义刻画重合的

Middleclass Brazilians, the PSDBs bedrock supporters, could also defect.
巴西的中产阶级也可能背叛社民党。

EMA and PSD of Domestic Wide Belt Sander Application in Wood Based Panel Industry
国产人造板宽带砂光机功率谱密度和试验模态分析

He must have had some upsdowns in life to make him such a churl.
他一定经历了很多起起落落才形成了变成了如此粗鄙的人。

Problems and Optimization of the Closed and Locked Circuit for the Interface Between Signaling System and PSD System
信号系统与屏蔽门的接口问题及优化方案

PSD collapse
功率谱密度坍陷

Evaluating intermediate frequency error property of wavefront of optical components with PSD collapse
用功率谱密度坍陷评价光学元件波前中频误差特性

Comparing track irregularities PSD of Chinese main lines with foreign typical lines by numerical simulation computation
仿真计算比较我国干线谱与国外典型轨道谱

PSDDS Public Switched Digital Data Service
公用交换数字数据业务

We will provide the whole GUI diagrams and PSDs.
我们将提供全图形界面图和月台幕门。

There is now little ideological distance between the PT, whose roots are in the labour movement, and the PSDB.
现在, 工党与社民党之间几乎没有意识形态差距。