由于是通过加密进行异或事实上，该算法非常快。

Due to the fact that encryption is done by XOR, the algorithm is pretty fast.

youdao

在卫生系统薄弱或事实上不存在的地区，是不会收集基本数据的。

In areas where health systems are weak or virtually non-existent, basic data will not be collected.

youdao

如供应商处置(法律或事实上)该工具、移动该工具的位置或永久报废该工具应经我们同意。

The supplier shall require our consent to dispose (in the legal or the factual sense of the term) of the tools, to move the location of the tools or to disable the tools permanently.

youdao

the fact that the only problem you're having is the lack of what your expressing and need for.

事实上，你唯一的问题就是你缺少或需要的东西仍未被满足。

I need 课堂 - SpeakingMax英语口语达人