(b) Every vessel shall proceed at a safe speed adapted to the prevailing circumstances and conditions of restricted visibility.

(b) 每艘船舶均应以适合当时情况和能见度受限条件的安全速度行驶。

(c) Every vessel shall have due regard to the prevailing circumstances and conditions of restricted visibility when complying with the Rules of Section I of this Part.

(c) 每艘船舶在遵守本部分第一节的规则时，应适当考虑当时的情况和能见度受限的条件。

Rule 7 Risk of collision (a) Every vessel shall use all available means appropriate to the prevailing circumstances and conditions to determine if risk of collision exists.

规则 7 碰撞风险 (a) 每艘船舶应使用适合当时环境和条件的所有可用手段来确定是否存在碰撞风险。

Rule 6 Safe speed Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the prevailing circumstances and conditions.

规则 6 安全速度 每艘船舶应始终以安全速度行驶，以便能够采取适当和有效的行动避免碰撞，并在适合当时情况和条件的距离内停下来。