以上来源于: WordNet
This indicates that the BankAccount class is an abstract class and the withdrawal method is an abstract operation.
这表示,BankAccount 类是一个抽象类,而withdrawal方法是抽象的操作。
Conclusions Compared with traditional auscultation method, gradual withdrawal method can effectively and safely improve the rate of correct ideal anatomic placement of L-DLT.
结论 循序渐退法用于左侧双腔支气管插管,能够显著提高正确到位率。
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