“按比例分配”常见的英文表达有 “allocate in proportion” 或 “distribute proportionally” 。
allocate in proportion：强调按照一定的比例来分配资源、物品等。例如：The funds will be allocated in proportion to the needs of each department.（资金将按照各部门的需求按比例分配。 ）
distribute proportionally：侧重于按照比例进行分发、散布。例如：The prizes will be distributed proportionally among the winners.（奖品将按比例分发给获胜者。 ）