1. Nonetheless, it is by no means a 不过，所有这些的方法，绝大部分是用主观判断和一些定性方法的方法。
2. The quality concept is developed from confirmative quality, applicable quality and satisfied quality to superexcellent quality. 质量的概念已从符合性质量、适用性质量、满意性质量上升为卓越质量。
3. Primary adenocarcinoma of the middle ear is very rare and its origin is still controversial. Before making a confirmative diagnosis, metastatic tumor should be ruled out. 中耳原发性腺癌是一种起源自中耳腺体极为罕见之疾病，一般对于是否起源于制造耳垢或是耳蜡的腺体所产生的外耳道恶性肿瘤局部转移而来仍多有争议。
