Activity code is assigned automatically by the system, used to share this project;

活动编码是系统自动分配的，用于对外分享此项目；

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If an activity has more than one activity code, please fill in the one that includes "EAA".

如所参加之活动有不止一个编号，请填有「EAA」之活动编号。

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In waterfall processes, it is not possible to directly compare analysis activity metrics with design activity metrics or code activity metrics, because they are entirely different activities.

在瀑布过程中，不太可能直接比较分析活动量度和设计活动量度或编码活动量度，因为它们是完全不同的活动。

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The Alaska Volcano Observatory has issued a watch due to heightened activity, plus an orange code regarding how they might affect planes in the area.

CNN: 2 Alaska volcanoes on alert as lava flows

This tactic fails too often because criminals are adept at obfuscating their attack code, allowing their activity to remain undetected for long periods of time.

FORBES: To Stop Cybercrime: Understand Crime Logic, And Adapt

In March 2012, the Allen Institute for Brain Science embarked upon a ten-year project to understand the neural code: how brain activity leads to perception, decision making, and ultimately action.

WHITEHOUSE: Fact Sheet: BRAIN Initiative