Fortunately, the correct cutting speed can estimated with reasonable accuracy from tool-life graphs or form the Taylor tool life Relationship, provided that necessary data are obtainable.
幸运的是，合适的切削速度可以从刀具寿命表或泰勒刀具寿命关系中以合理的精度评估，证明了必然的数据是可以获得的。
Fortunately, the correct cutting speed can be estimated with reasonable accuracy from tool-life graphs or from the Taylor tool life Relationship, provided that necessary data are obtainable.
幸好，正确的切割速度可以根据刀具寿命表或者刀具寿命泰勒方程估算出来，并有一定的合理精度，如果在必要的数据都具备的前提下。
Objective To evaluate the diagnostic accuracy and safety of cutting needle biopsy for diagnosis in children with solid tumors.
目的评价切割针刺活检术在儿童实体肿瘤诊治中应用的准确性和安全性。
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