求翻译：《联合国国际货物销售合同公约》16条规定：“已为受盘人收到的发盘，如果撤销的通知在受盘人发出接受通知之前送达受盘人，可予撤销，但是，下列情况不能撤消：①发盘规定有效期或以其它方式表明是不可撤销的，②受盘人有理由信赖这项发盘是不可撤销的，并已本着这种信赖采取了行动。”是什么意思？

"United Nations Convention on Contracts for the International Sale of Goods," 16 states: "by the liquidator has received an offer, if the notice of revocation by the liquidator in the notice of acceptance by the offeror prior to delivery, may be revoked, however, the following You can not undo: ① va

正在翻译，请等待...

"United Nations International Cargo Sale Contract Joint pledge" 16 stipulations: “Has received for the offeree sends the plate, if abolishes the notice sends out in the offeree accepts before the notice delivers the offeree, may give the cancellation, but, the following situation cannot abolish:①Sen

United Nations international goods sales contract Convention under 16 section provides: "has for by disc people received of made disc, if revoked of notification in by disc people issued accept notification zhiqian served by disc people, may to revoked, but, following situation cannot undo: ① made d

" the the United Nations international goods sales contract convention" 16 strings stipulate: "Already until plate offer that people receive, notice that cancel in send out accept plate people notice send to and received plate people, can cancel, however, the following situations can't be cancelled: