伪类的表示方法是在名称前面加一个冒号。伪类与特定元素无关，而是根据文档中发生的情况应用样式。
Designated by a colon preceding the name, pseudo-classes are independent of particular elements and instead look at what's happening within the document.
然后是最右边的i++，我们上周在socks例子的伪代码中，曾经见到过，不是么？只是代表i加1而已。
And then on the right hand side I + +, we saw that in pseudocode with our socks example last week that just says increment I.
研究表明，采用伪随机函数，对分色后的图象文件进行调频加网，再经现有的调幅加网RIP，可实现图象的调频加网输出；
Research results show that by using the pseudo random function and RIP for AM screening, the image of separate color can be input in the form of FM screening.
本文证明了球面有限点集的伪对称性可以完全由其特征多项式的根来刻画，并得到了在度量加运算下伪对称性具有封闭性。
In this paper, we show that the Pseudo-Symmetric property of spherical point set can be characterized by the eigen values of eigenpolynomial and it has the closeness under the metric sum operation.
提出一种适合突发短帧模式的自适应伪码捕获方法，该方法可适用于A/D转换前加自动增益控制（AGC）的情况。
So an adaptive acquisition algorithm of PN codes for burst short frames is presented. The algorithm is suitable for the condition that AGC is applied before the ADC.
提出一种适合突发短帧模式的自适应伪码捕获方法，该方法可适用于A/D转换前加自动增益控制（AGC）的情况。
So an adaptive acquisition algorithm of PN codes for burst short frames is presented. The algorithm is suitable for the condition that AGC is applied before the ADC.
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