Public Key Infrastructure中的PMA是什么?全称是什么?

Public Key Infrastructure中的PMA是什么?全称是什么? key key public public public 英语翻译All of these methods use RSA public key cryptography.In the EMV environment,the payment system acts as a certification authority and creates issuer public key certificates by signing each issuer’s public keys.Issuers act as certificatio 英语翻译All of these methods use RSA public key cryptography.In the EMV environment,the payment system acts as a certification authority and creates issuer public key certificates by signing each issuer’s public keys.Issuers act as certificatio 急!求Java高手解释下面三个语句的含义,Text key = (Text) _key;output.collect(key, new IntWritable(sum));public class Reduce extends MapReduceBase implements Reducer import java.util.*;public class PropertiesTest{public static void main(String args[]){Properties pt = System.getProperties();Enumeration e = pt.propertyNames();while(e.hasMoreElements()){String Key = (String)e.nextElement();System.out.println(Key+= 英语翻译人物①Lord of the Manormight②key public figures such as ③justice of the peace④Member of Parliament那你怎么翻译成法官？ 英语单词key KEY是什么意思 Key是什么意思 Key是什么意思 key是什么意思 Low-key a key