您要查找的是不是：
- 准standard
- 降to drop
- 不准prohibit
- 准的quasi
- 降序descending order
- 为准be as the criterion
- 降噪denoise
- 准点on schedule
- 降下lower
- 精准accurate
- 降至reduce ... to ...
- 以此为准take this as the standard
- 压降voltage drop
- 降到drop to
- 以结关为准on a customs clearance basis
- 降薪cuts in salaries
- 准妈妈mother-to-be
- 降世come to earth
- 准直collimation
- 大降pelter
