If you have long operations to perform, you should make sure to do them in extra threads (background or worker threads).

如果有耗时的操作，你应该把这些操作放在另外的线程中进行处理(后台线程或者工作线程)。

youdao

Providing a comfortable glove for surgeons to manoeuvre miniscule robots over a patient's body during long operations could save lives.

在漫长的手术过程中，外科医生戴上舒适的手套就可以操纵微型机器人为病人手术，从而拯救他们的生命。

youdao

Specifically, if everything is happening in the UI thread, performing long operations such as network access or database queries will block the whole UI.

如果UI线程需要处理每一件事情，那些耗时很长的操作——诸如访问网络或查询数据库等——将会阻塞整个UI(线程)。

youdao

The sheer size of the service is at the heart of many complaints, such as long waiting times, canceled operations and poor nursing care.

VOA: standard.2009.09.24

So I have n operations log n times, n log n there we go, n log n. Took us a long time to get there, but it's a nice algorithm to have.

所以我log，n遍的n次操作，就得到了,虽然花了不少时间得到了这个结论。

麻省理工公开课 - 计算机科学及编程导论课程节选

Eikenberry and McChrystal stressed the long-term nature of the U.S.commitment to the people of Afghanistan, long after the transition of combat operations from coalition to Afghan forces begins in 2011.

VOA: standard.2009.12.09

That said, if an agent is working undercover, the time spent away from family depends on how long undercover operations go.

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North Korea says the rocket carried a communications satellite into space, but the US and North Korea's neighbours have long believed such operations represent attempts by Pyongyang to develop long-range missiles.

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The patriarch had long handed over operations to the next generation, namely his son-in-law G.

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