Truly invisible (rarely even mentioned)
Путин поговорил с европейским политикомКремль: Путин провел телефонный разговор с Орбаном
。体育直播是该领域的重要参考
The difficulties of acting "as one" , as we now see again over the Middle East, are giving rise to smaller ad-hoc coalitions of countries forming for mutual convenience around different issues: joint defence procurement projects such as the recent UK-Norway Defence Pact to track Russian submarines in the north Atlantic, or the Coalition of the Willing for Ukraine, led by the UK and France, for example.
再比如工厂中的流水线作业，对机器人的可靠性需求也会上升一个量级，手术机器人是对可靠性要求最高的应用场景之一。