infrequency信息详情
n.罕见；很少发生
infrequence───n.很少发生；罕见（等于infrequency）
infrequently───adv.很少发生地；稀少地
frequency───n.频率；频繁
infrequent───adj.罕见的；稀少的；珍贵的；不频发的
eigenfrequency───n.[物]本征频率
unfrequently───不常
frequence───n.频率，频繁；频数
unfrequent───adj.不常见的；很少发生的
unfrequents───不寻常的
paucity of known extinctions or disruptions resulting from indirect interactions may reflect not the infrequency of such mishaps but rather the failure to look for or to detect them.───间接相互作用导致的已知物种灭绝或破坏的情况的稀少，反映的或许不是这种灾难的罕见，而是没有去寻找或检测它们。
With their greater infrequency the sounds increased in strength and sharpness. They hurt his ear like the trust of a knife;───随着频次变少，声音变得越来越大，越来越尖锐，像刀子一样刺痛他的耳朵；
In spite of infrequency, complications secondary to placement of these surgical drains occur.───尽管不常见，但因放置外科引流管导致的合并症仍会发生。
Conclusions: It is infrequency, malignant tumor.───结论上皮样肉瘤临床少见，系恶性肿瘤。
The study about specialty market indeed is rich Unfortunately, and which of the regional evolvement of Zhejiang's specialty market system is infrequency.