之前的绝大部分研究入组的患者不超过4%，由于这种高度选择性限制了试验结果的适用范围。

Most of the previous trials include no more than 4% of the population. So, it was difficult to generalize the result to the whole population because it was highly selective.

youdao

当然也可以编写更具选择性的SQL查询，使之包含关系投影和限制操作。

Of course, you can write more selective SQL queries that incorporate relational projection and restriction operations.

youdao

既存在无意识地、根深蒂固的自我限制，又存在有意识地、选择性自我限制。

There are unconsciously ingrained self-limitations.

youdao