重复: 1.repeat; duplicate; reduplicate; iterate 短语和例子他把那个词重复了几遍。 he repeated the word several times.2.repetition; reiteration; gemination; rerun; duplication; replication; palin-; pali- 短语和例子避免不
The maximum 50500 photo counts per second with 76mhz pump pulse frequency is detected . the probability to be single - photon state of every count is better than 99 % 5 在抽运光脉冲重复频率为76mhz的情况下，得到了每秒50500次的下转换光子记数，其中单光子概率大干99 。
