The process of task-based teaching can be divided in three steps, namely pre-task, during-task and post-task.

任务型教学的过程分为任务前、任务中、任务后三个步骤。

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The pre-process logic includes the message security, followed by formatting the input based on protocol and performing the task.

预处理逻辑包括消息安全性，以及基于协议对输入进行格式化和执行任务。

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The true core of a real-time environment is that the system will guarantee to perform some task within a pre-defined time so that the system's behaviour becomes fully deterministic.

实时环境的真正核心在于，系统必须保证在预定义的时间内执行完指定的任务，这样它的行为才是完全确定的。

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However, Google considers the trial a threat to freedom on the Internet because it could force providers with an impossible task - pre-screening the thousands of hours of footage uploaded every day onto websites like the Google-owned YouTube.

UNESCO: Autistic boy beaten by schoolmates

Razer's own Synapse software still allows the user to create sets of pre-programmed keys, each with a custom icon and specific task.

ENGADGET: Razer Blade review (late 2012)