如何改变我的后台操作优先使用或运行队列的动态调度。

How can I change the background operation priority dynamically using Dispatch or operation queues.

youdao

这里我要说的就是，这里有个，叫做操作优先的规则，也就是刚才那位先生说的。

So the point is, there is something here called operator precedence, which is what the gentleman said.

youdao

本文根据机械装配配合特征确定装配操作优先顺序，并设计了相应的算法。

In this paper, an approach is proposed to determine assembly orders according to mating feature, and corresponding algorithms are presented.

youdao

So the point is, there is something here called operator precedence, which is what the gentleman said.

这里我要说的就是，这里有个,叫做操作优先的规则，也就是刚才那位先生说的。

麻省理工公开课 - 计算机科学及编程导论课程节选

This chart, very boring and uninteresting but useful to say there are very well defined rules as to when you're writing code, what operators, like what syntax should get evaluated first.

这个图表，看起来很烦，很无趣，但是它很有用,有非常明确的规定,譬如，当你写代码时，就会涉及操作符的优先级。

哈佛公开课 - 计算机科学课程节选