reversal

逆转；[摄] 反转；[法] 撤销英释中释nA reversal of a process, policy, or trend is a complete change in it

1 time reversal,时间反转；时间反演

2 reversal valve,换向阀；可逆阀

3 flow reversal,倒流

4 polarity reversal,反极性；极性变换；极性倒转

5 phase reversal,反相；倒相；相序逆转

6 reversal of fortune,命运的逆转

7 reversal process,反转成象法；反转法；反逆制版法

1 The paper says the move represents a complete reversal of previous U.S. policy..报上说这一举动反映了之前美国政策的彻底逆转。