Action filters are custom attributes that provide a declarative means to add pre-action and post-action behavior to controller action methods.

动作筛选条件是自订属性，提供宣告式方法将动作前和动作后的行为加入控制器动作方法中。

youdao

The Cancun agreements saw all nations pledge "urgent action" to keep temperatures from rising no more than two degrees Celsius (3.6 Fahrenheit) above pre-industrial levels.

坎昆协议中所有国家承诺参与“紧急行动”来阻止温度上升不高于工业化前水平两摄氏度(3.6华氏度)。

youdao

Around 120 countries have signed up to voluntary action ongreenhouse gases under last December's Copenhagen Accord, which aims tolimit warming since pre-industrial times to 2.0 C.

约120个国家签署了去年12月的哥本哈根协议，自愿为温室气体减排采取行动，此协议旨在将自前工业化时代以来的变暖限制在2.0摄氏度。

youdao

When an action potential comes down this pre-synaptic axon, when it reaches this point here, it sets off the process of these vesicles dumping their content into the synaptic cleft.

当动作电位到达轴突的突触前膜时,当到达这一点时 小泡就将其内含物,排放到突触间隙中去

耶鲁公开课 - 生物医学工程探索课程节选

" It took the action in Manhattan "because pre-action disclosure to identify defendants is not available through California courts.

WSJ: Merck's Facebook 'Misappropriated' by Merck

"We have responded to the pre-action letter and are rigorously defending our decisions, " Ofqual said in an earlier statement.

BBC: Thousands of pupils to resit English GCSEs

In its pre-action letter, the alliance said pupils who took GCSE English in June had been treated with "conspicuous unfairness".

BBC: Thousands of pupils to resit English GCSEs