Total cost ofownership英语怎么读

?Total ?cost of ownership

subtotal的读音是['s?bt?tl]。

通常用于商业和会计方面的运算。它的意思是小计或部分总额，指在计算总数时先计算其中一部分的总和。例如，在购物结算时，商家可能会列出各个商品的价格并计算出它们的小计（subtotal），然后再加上税费等其他费用得出最终总额。

subtotal例句如下：

1、Success rate and influencing factors of PTCA of total coronary occlusion and sub total coronary occlusion.闭塞性冠状动脉病变PTCA成功率及影响因素。

2、Emergent evacuation of hematoma was applied to all patients, while total resection of tumor was applied to 12 cases, and sub total resection to 1 case.均早期行血肿清除，肿瘤完全切除12例，部分切除1例。

3、Methods: an incision was made 3 cm above the thymus notch and the operation was performed under endoscopy for thyroidectomy and sub total thyroidectomy.方法：切口选择在胸骨切迹处3cm，在腔镜辅助下行甲状腺肿瘤或腺体次全切除术。

4、The Analysis and Prevention of the Complications of Sub-total Thyroidectomy for Thyroidism.甲状腺次全切除术并发症的原因分析和预防。

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