With the arrival of a silk fan on which Snow Flower has composed for Lily a poem of introduction in nu shu, their friendship is sealed and they become "old sames" at the tender age of seven. 随着丝绸扇的到来,在这种扇子上小女孩雪花为百合写了女书的诗歌前奏,她们的友谊封存起来,在风残的70岁她们成为了“老同”。
The tender documents must be sealed pursuant to the requirements of the tender invitation documents to be effective; 投标文件必须按招标文件要求进行签章方为有效;
Game theory is used to build up the game model in medical equipment single-stage sealed-bid tender. 应用博弈论的方法建立医疗器械一次性密封招标采购中的博弈模型。