?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

certifying
CET6

证明(certify 的现在分词)

1. He handed her a piece of paper certifying (that) she was in good health.
他递给她一份她的健康证明书。
2. Certifying both did this for him and supplied the proof.
认证既为他完成了这一任务又为他提供了证明。
3. Here is a document certifying that I was born in France.
这是证明我出生在法国的文件。
4. The endorsing signature of the Company certifying authority.
管架有限公司认证部门的批注签名。
5. It was signed (issued) by the appropriate certifying authority.
它由适当的认证中心签署(发布)。