Cryptography technology, structure and function of PKI, cross-certification are introduced in this paper.

Point out the rules to select themanagement forms of the PKI system.

为PKI应用中证书管理机制的选择指出了可遵循的原则.

Public Key Infrastructure ( PKI ) is a base to provide Internet security services using public key certificate.

公钥基础设施 PKI 利用数字证书为网络安全交易提供基本保障.

Additionally, our algorithm has been applied to the PKU's campus search.

该算法已经应用到北京大学校内搜索引擎上.

The pictures show the site of PKU recruitment consultation in central China's Anhui Province.

本组图片为北京大学赴安徽省招生工作组在咨询现场的工作情况.

On the morning of Feb.24 th, 2004, the president of the University of Auckland visits PKU.

2004年2月24日上午,奥克兰大学校长访问北京大学.

Hand in hand so we can stick together and go anywhere. In campus of PKU.

手牵手紧紧在一起去到任何地方. 北大校园内.

Also, the PL spectral peak vary over the wafer.

而且, 激发萤光光谱的峰值会随著探测晶圆不同处而变化.

Patients sensitive to metal or with strong demand for pl ate removal.

对金属敏感或患者有强烈要求.

G 36 PL 100-Possession bracelet, 18 carat yellow gold, set with diamonds.

占有手链, 18克拉黄金, 钻石与一列集.

If you are the kinds people, pl keep away from me.

如果你是这种人, 请不要靠近我.

And FT-IR, Uv-vis , PL and EL spectrum were used to character the structure and performance.

分析了有机电致发光材料的类型与器件的结构等相关问题,制备不同的有机薄膜,测试了有机材料及其薄膜的FT-IR 、 UV-vis 及PL光谱等.

In PL / 1, the processes that occur automatically on block activation.

在PL/ 1语言中, 程序块激活时自动出现的进程.

The PL series are the items we offer according to the demand in the market.

PL系列是我厂根据市场需求而推出的产品.

Fig 2 Correlation between deposition oxygen pressure and integrated PL intensity.

图2积分PL强度与沉积氧气压力的关系.

a huge placard saying 'Welcome to Derbyville'

印有“欢迎来到德比维尔”的巨幅标语牌

If you'll reverse the placard you'll see what I mean.

你若把那张海报翻过来,你就知道我的意思了.

After putting on the new placard, the incidents of stealing books never happened again.

新告示贴出后, 图书馆再也没有出现丢失书籍的现象.

Therefore, the painting technique is still important in modern placard desigh.

所以, 绘画技巧在现代招贴设计领域仍然应该占有十分重要的位置.

He thought that lets many net friends leave qiu, sends the placard person's true goal.

他认为让不少网友出糗, 才是发帖人的真正目的.

The protesters sang songs and waved placards.

抗议者唱着歌，挥舞着标语牌。