您要查找的是不是：
- infrequent itemset 非频繁项集
- Explosions, though infrequent, are an occupational hazard for coal-miners. 矿井爆炸虽然不常发生，但却是煤矿工人职业中的危险。
- These infrequent users cannot be ignored. 这些偶尔使用者的人数很少，但也不能被忽略。
- Muggings are relatively infrequent in this area. 在这个地区行凶抢劫事件相对少见。
- Staphylococcal enterocolitis is infrequent. 葡萄球菌性小肠结肠炎是一少见疾
- With infrequent " Karate " undertake bilk wildly. 用罕见的“空手道”疯狂进行诈骗。
- This small imprinted axe is infrequent. 这种小巧“印斧”我鲜见！
- This represents an extremely infrequent scenario in embryology. 这种血管走向在胚胎发生学上是一种极不寻常的案例。
- For example, references to smell or odour are infrequent. 例如，对于嗅觉和气味就很少被提到。
- The problem of fuzzy constraint in frequent itemset mining is studied. 摘要研究频繁项集挖掘中的模糊约束问题。
- Chances to see Ashley alone were all too infrequent these days. 最近，要想与艾希礼单独会面可不怎么容易呀。
- Successes are infrequent, often outnumbered by failures. 成功很少，失败甚多。
- Their marital storms are infrequent and quickly lost. 他们夫妻间的感情很少掀起狂风巨浪，有也迅即平息。
- Disturbances are relatively infrequent in British prisons. 相对来说，英国监狱不常发生骚乱。
- Chylous ascites is an clinically infrequent disease. 摘要乳糜性腹水是一种极为少见的临床疾病。
- Direct fetal injury is an infrequent complication of blunt trauma. 胎儿直接损伤是钝器伤的罕见并发症。
- Successes are infrequent , often outnumbered by failures. 成功很少，失败甚多。
- Primary abscess of the omentum is an infrequent disease entity. 原发性大网膜脓疡是一种罕见的疾病。
- Jin, think she is an infrequent philtrum daughter outstanding. 另一方面,他又对秋瑾女士非常敬佩,认为她是一位罕见的人中女杰。
- On Cao Yan's class, we saw in gym more infrequent spot accompanies. 在曹岩的课上，我们看到了在健身房比较罕见的现场伴奏。
