For example, you may want to animate two CSS properties but use a different easing function for each one.
比如，同时对两个CSS属性做动画，但又得为它们定义不同的缓动函数。
Conclusions PCEA is a good method of easing pain after thoracic surgery. It can improve respiratory function and life quality, for postoperative patients.
结论pcea是开胸术后理想的镇痛方法，它可以改善肺功能和提高术后康复质量。
Conclusions PCEA is a good method of easing pain after thoracic surgery. It can improve respiratory function and life quality, for postoperative patients.
结论pcea是开胸术后理想的镇痛方法，它可以改善肺功能和提高术后康复质量。
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