I was always having to refer to the API documentation to do even the most basic XML tree manipulations; nothing was intuitive, and almost every operation was complex.

甚至是为了进行最基本的xml树操作，我总是不得不参考api文档；没有任何东西是凭直觉的，而且几乎每个操作都很复杂。

youdao

Traditionally, configuring database memory parameters for optimal operation can be a complex and time-consuming task.

传统上，配置数据库内存参数以优化运行性能是一项复杂而耗时的任务。

youdao

For example, a component performing a complex operation may broadcast its state.

例如，执行复杂操作的组件可以传播它的状态。

youdao

The surgery can sometimes be complex, and may require more than one operation to correct.

VOA: special.2009.12.22

We'll talk about how your normal valves function inside your heart and how your heart couldn't work in the way that it did if it didn't have valves that were doing a very complex operation many many times a day.

我们会讨论,正常的瓣膜在心脏中如何工作,以及没有这个,每天不停完成很多复杂任务的心脏瓣膜,心脏为什么,就不能正常工作了

耶鲁公开课 - 生物医学工程探索课程节选

They say the United Nations complex humanitarian operation in this conflict-ridden province cannot function efficiently without their help.

VOA: standard.2009.03.28

Here was a narrowly focused outfit -- Compaq, a maker and seller of computer boxes -- swallowing a more complex operation.

FORBES: Bon apptit!

Essex Police say getting the turbines to their destination is their "biggest and most complex operation" ever involving loads on the roads.

BBC: Wind farm turbine transportation is 'biggest' ever load

Here was a narrowly focused outfit -- Compaq, a maker and seller of computer boxes -- swallowing an older and more complex operation.

FORBES: Bon apptit!