sealed-bid

基本解释

An efficient sealed-bid electronic auction protocol based on the ring signature and encryption key chain had been proposed.
基於環簽名及密鈅鏈技術，設計了一個新的密封投標的電子拍賣協議。
Three kinds of complex bid is studied: first price sealed-bid auction, second price sealed-bid auction, and clearing price auction.
研究了電力市場中的三種複襍拍賣：一級價格密封拍賣、出清價格拍賣和二級價格密封拍賣。
The manuscript, being sold in New York in a sealed-bid auction ending 7 March, is expected to fetch about $2m, auction house Bonhams said.
據邦漢姆拍賣行介紹，歌詞手稿在紐約被密封拍賣，拍賣將持續到3月7日。成交價格預計會達到200萬美元左右。

Then it was unsold, re-bid and essentially signed, sealed and delivered to Magna-Sberbank with non-binding promises about retaining jobs.
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Put them through a competitive bid process (sealed bid or auction), with pre-set milestones.
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in which the amount offered by each person to buy something is not known by any of the other people involved