1. structure displaying a board on which advertisements can be posted

1.(正式文件的)签署人，签署方，签约国
Thesignatories of an official document are the people, organizations, or countries that have signed it.

e.g. Both countries are signatories to the Nuclear Non-Proliferation Treaty.
两个国家都是《核不扩散条约》的签约国。

1. 签约国：美国是签约国(signatory)但没有批准该议定书,但也没有退出(withdraw). 条约可以被看作是自动生效/自动执行的(self-executing),即只要加入就会导致义务生效(put in action). 但有些条约不是自动生效的(non-self-executing),

2.

2. 签署人：在证书颁发时,证书中所载明的签署人(signatory)控制着签名生成数据; c. 在证书颁发之时或之前签名生成数据是有效的;d. 用于鉴别签署人身份的手段;e. 签名生成数据或证书使用的目的或价值方面的限制(如果认证机构意图作出这种限制的话

3. signatory什么意思

3. 签字人：signal generator calibrator 信号发生校准仪 |signatory 签字人 | signet 印,图章

4. 签约方：Global Economic Welfare 全球经济福利 |Signatory 签约方 | Contracting Party 缔约方

signboards creaked and clattered in the grip of a north wind.

朔风吹着那些招牌,嚓嚓地响.

signboards should be provided on all the values in the engine room.

25机舱内全部阀上都应设指示牌.

The highway was lined with signboards.

标志牌沿着那条公路不断出现.

Other sites feature signboards for your house.

其他网站功能招牌你的房子.

And it designs and manufactures neon lighting advertisement signboards and lightings of all kinds.

并设计制作各种大小型霓虹灯广告招牌,舞台灯光.