令人遗憾的是，大多数讨论都未能坚持这种明确区分。

Unfortunately, most discussions fail to keep this distinction clear.

不明确区分主次操作会很容易出事。

Not clearly distinguishing between primary and secondary actions can easily lead to failure.

我们需要的是一个能明确区分纯粹知识和经验知识的标准。

What we here require is a criterion by which to distinguish with certainty between pure and empirical knowledge.

经阴道超声可明确区分输卵管炎症的四个不同病理分期.

The different pathological stages of eustachian salpingitis could be confirmed by transvaginal ultrasound.

该标准系使用「损伤区」的观念，以明确区分不完全损伤和完全损伤。

Concepts of zone of injury distinguishes easily between incomplete and complete lesion.

丁等男人，尤其是生活在男女明确区分的地方的丁等男人，就成了“剩男“。

The poor Ding men, especially in the country where the gender divide is most evident, are left in a bind.

如果不同钢种进行连铸，则应采用预定的、可以明确区分钢种的工艺切除过渡部分的材料。

If steels of different grades are sequentially strand cast, the resultant transition material shall be removed using an established procedure that positively separates the grades.