permanent cap

基本解释

further cuts are likely when a permanent cap comes into force next April.
进一步减少签证配额很有可能在明年四月份固定最高限额生效后实施。
In this frigid2) Arctic environment, approximately 85 percent of the island's surface is covered by a permanent ice cap.
在严寒的北极环境中，格陵兰岛约85%的表面都被永久冰层所覆盖。
Now the Home Secretary is to announce a temporary limit of 24,100 non-EU workers, a reduction of around 5% to stop a rush of applications before a permanent cap next April.
现在，内政大臣将宣布24，100名非欧盟工人的临时限制，降低了大约5%，防止大量的移民申请。而到明年四月份则会实施永久性的限制。