1. This is an annual routine training, mainly involving the shooting of shipboard artillery, said the statement.
这是一次年度常规训练，主要包括舰炮射击，声明称。
2. Antiaircraft gun: Artillery piece fired from the ground or shipBoard in defense against aerial attack.
高射炮：从地面或甲板上射击的抵御空袭的火炮。