an undated letter
一封未注明日期的信
Having no date whatsoever.
无日期的，未注明日期的无论什么都没有日期的
For undated references, the latest edition of the normative document referred to applies.
凡未注明日期的引用标准其最新版。
The undated clip showed the al-Qaeda leader outdoors praising martyrs who had been killed in Afghanistan.
在这段未注明日期的录像片断中，本.拉登在户外称赞了死于阿富汗的殉教者。
Shapiro, Jeffrey H. "Optical Propagation, Detection, and Communication." (unpublished book, n.d.), Chapter 4.
光传播、检测和通信〉，（未出版文献，未注明出版日期），第4章。
The letter bears no date.
这封信没注明日期。
The memorandum was dated 23 August, 2008.
备忘录上注明的日期是2008 年8 月23 日。
"Omission of date in bill payable after date here a bill expressed to be payable at a fixed period after date is issued undated, or where the acceptance of a bill payable at a fixed period after sight is undated,"
凡汇票载明于发票日后定期付款而未书日期，或载明见票后定期付款而在承兑时未书日期者，
The designated Director must not deal in any securities of the Company without first notifying the chairman and receiving a dated written acknowledgement.
前述所指定的董事在未通知主席及接获注明日期的确认书之前，也不得买卖公司的任何证券。
facing slip
邮包上注明目的地、日期等的标签
This document dates from 1789.
文件上注明日期是一七八九年。
Yesterday is gone, and tomorrow is yet to come.
昨日已逝，明日尚未来。
"All documents must indicate number and date of this Letter of Credit, as well as number and date of this Commercial Contract."
所有单据必须注明此信用证编号、日期和此商务合同编号及日期。
For a service by mail, the date of acceptance marked on the receipt of the mail is the date of service.
邮寄送达的，以回执上注明的收件日期为送达日期。
With respect to service by mail, the date indicated on the receipt of registered mail shall be the date of service.
邮寄送达，以挂号回执上注明的收件日期为送达日期。
We received a report dating from Beijing.
我们收到一篇发自北京并注明日期的报道。
Thematic maps should always be annotated with the source and date of the topical information.
各类专题地图，均应注明专题资料来源和日期。
The subtitle of a law shall set forth the enacting organ and the date of promulgation.
法律标题的题注应当载明制定机关、通过日期。