维护全球战略稳定，中国又干了件实事

Group 1 - The core viewpoint of the articles emphasizes the importance of global strategic stability and the need for nuclear weapon states to engage in dialogue and cooperation to avoid conflicts and arms races [1][2][3] - The joint statement by China and Russia reflects their commitment to maintaining international order and the principles of the United Nations, particularly in the context of nuclear warfare and arms control [2][3] - The articles highlight the growing risks to international security due to military tensions among nuclear states and the need for preventive measures rather than reactive ones [2][3] Group 2 - Specific recommendations from the joint statement include prioritizing preventive measures in crises, advocating for true multilateralism, and opposing unilateral sanctions and economic coercion [3] - The statement also addresses the need to prevent the militarization of outer space and to adhere to international treaties such as the Biological Weapons Convention [3] - The articles call for collective efforts from the international community to maintain a multilateral system centered around the United Nations and to achieve comprehensive and sustainable security [3]