free stone

基本解釋

Sorry. I'm sorry to touble you again for saying apologize to you. I make things uncertain coming clearly to free my stone.
抱歉，我很抱歉地再打擾你一下，因?yàn)槲乙蚰惚磉_(dá)我的歉意，我把不確定的事情弄得清晰起來(lái)以便放下我心里的石頭。
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The stone free rates after shock wave lithotripsy for upper, middle and lower ureteral calculi were 74.1, 100 and 75.9% respectively.
對(duì)輸尿管上部，中部和下部結(jié)石進(jìn)行沖擊波碎石術(shù)后結(jié)石排空率分別為74.1， 100 和75.9%。
The group found that there overall stone free rates after shock wave lithotripsy, ureteroscopy, and open surgery were 75.4, 93.3, and 100% respectively.
研究小組發(fā)現(xiàn)在經(jīng)過(guò)沖擊波碎石術(shù)，輸尿管鏡檢查術(shù)和開(kāi)放性手術(shù)后，所有的結(jié)石排空率分別為75.4， 93.3，和100%。

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any fine-grained stone, esp sandstone or limestone, that can be cut and worked in any direction without breaking
(as modifier)