波兰的经济风云变幻，在稍长的一段时间内需要浮动汇率具有的弹性来保持竞争力，同时保持平滑调整。
As a fast-changing economy Poland might need the flexibility of a floating exchange rate for a little longer to keep it competitive and to smooth adjustments.
张力控制采用浮动辊式，七电机四段张力闭环控制系统。
Tension control equipped with floating roller, 7 - motor, 4 - section tension closed-loop control system.
少数例外比如大猩猩、长颈鹿、陆地鸟类只能游泳或浮动一段时间。
The few exceptions include apes and possibly giraffes. Land birds can swim or float for at least some time.
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