You should make each different arithmetic function its own action/method/whatevertheframeworkcallsit and you should use the frameworks input validation for the form values (if it has one).
你需要为每一种运算设置单独的动作,或者说方法(每个框架的叫法不一样),而且还要用到框架中的表单验证功能(如果框架提供了这一功能的话)。
To execute this action we need to use the "Async.Run" function, this executes a single workflow and waits for its result.
为了执行这个动作,我们需要使用“Async . Run”函数,它会执行一个单独的工作流并等待其完成后获得执行结果。
In recent years, brain-imaging techniques, such as functional magnetic resonance imaging (fMRI) have allowed scientists to observe the brain in action and determine how groups of neurons function.
近几年,脑成像技术,比如功能核磁共振成像(fMRI)使科学家能够在人活动的过程中观察大脑并且确定神经细胞如何发挥作用。
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