Research on DDoS attack defense plays a very important role and has great significance. It has been an important topic in the area of network security for a long time.

So many things are unsafe these days — milk, cranberry sauce, what have you

现如今很多食品都不安全——牛奶、蓝莓酱等等。

Because of so many advantages, Internet technology has already been used in many application areas nowadays.

正因为具备许多优势，Web技术现如今已经深入各个应用领域。

Nowadays, it is not only to remove the organic pollution ( COD), high concentrations of nitrogen and phosphorus removal also put forward higher requirements in the sewage treatment process.

现如今，对污水的处理过程中，在去除有机物污染（COD）的同时，对高浓度氮磷的去除也提出了更高的要求。

Among the latter was Sir Richard Branson, a British entrepreneur who wrote in a blog post that the decision was a backwards step in an age when remote working is easier and more effective than ever.

英国企业家理查德·布兰森爵士（Sir Richard Branson）就是批评者之一，他在一篇博客中写道，该决定对当今时代而言是一种倒退。现如今，远程工作更方便，工作效率也比以往要高。

Siberia has had a biting cold winter with temperatures dropping to minus 60 degrees Celsius.

西伯利亚今年寒冬刺骨,气温降至摄氏零下六十度.

Then came the clear dawn. A great white stillness had takenand with it, biting cold.

晴朗的黎明终于来了. 四下白茫茫一片寂静,伴随它的是刺骨的寒冷.

The biting cold froze the sailor's hand.

刺骨的寒冷冻僵了水手的手.

The weather is biting cold.

天气寒冷刺骨.

The biting cold was more terrifying than anyone could have imagined.

这刺骨的寒冷是任何人都无法想象的可怕.

The people are putting on each kind of white, the sky-blue and the black under skirt, the clothing are very beautiful.

人们穿着各种白色、蔚蓝色和黑色的下裙，着装很美。

The under skirt lay quite flat over the hoop skirt and was richly decorated with flounces , bows, garlands and flower arrangements.

里裙平铺在裙撑上，装饰有荷叶边、蝴蝶结、花环及花朵。

Nonlinear Finite Element Analysis on Steel and Concrete Composite Beams Under Slip Effect

考虑滑移效应的体外预应力组合梁非线性有限元分析

I was in the drinks line at a cocktail party behind a woman in the same dress as mine: black and low-cut, with a full skirt and an appliqu é border around the bottom.

一次鸡尾酒会上，我站在一位和我穿着一模一样衣服的女士的后面，我们的衣服都是一条裙底镶着花边的黑色低领长裙。

The largest is a$ 45000 fine for a Jet Blue passenger who allegedly threw his luggage at other passengers, got on the floor in the aisle and put his head up a flight attendants' skirt during a May 24 JetBlue flight from New York City to Orlando, Florida.

最大一笔罚款高达4.5万美元，据称被罚款的捷蓝航空乘客在5月24日从纽约市飞往佛罗里达州奥兰多市的途中将行李扔向其他乘客，还扑倒在过道地板上看空姐裙底。

The utility model is characterized in that: the upside of each spraying cap cover is provided with a cover plate having a flow channeling decompression hole;

在喷射帽罩的裙底上部与塔板上液流方向相同的方向上设置有导流孔；

In the photos, the student pretends to pay attention in class however his hands are holding his phone around his back, getting pictures of the unknowing female behind him.

从照片中可以看出，该名男子假装很认真的听课，但是双手却拿着手机环于背后，拍下了后排女子裙底的照片，而受害人还浑然不知。

The hours trip rapidly away, hiding their dreams in their skirts.

时间急速地走过，把梦幻藏在裙底。

Now you have a little piece of your old life back, okay?

你现在有点找回原来的生活了, 好 吗 ?

I have other channels I can pursue, markers I can call in.

我还有其他渠道可以追踪, 我能找回记号.

At last the clever peasant got his horse back.

最后,那个聪明的农民找回了自己的马.