To get a more selective match for such cases, use either the enforce operator (+) or an explicit Boolean operator (AND) in the keyword search.
要在对这样的情况使用更多选择的匹配，需要在搜索关键词中使用强制操作符（+）或显式的逻辑操作符（AND）。
At some schools, enrollment is up by as much as 10% or 15%, stretching them to capacity and, in some cases, forcing admissions officers to be more selective and tighten their criteria.
有些学校的入学人数涨了高达10%甚至15%，校园里人满为患，迫使有些学校的招生负责人择生时更加“苛刻”，入学标准更加严格。
In this paper 51 cases of selective angiography of the spinal cord are reported.
本文综合了51例选择性脊髓血管造影的结果。
Conclusion The vaginal Selective ultrasound-guided biopsy of ovarian tumors in advanced ovarian cancer, etc. Some special cases diagnosed and treatment has an irreplaceable important role.
结论经阴彩超引导下选择性对卵巢肿瘤进行穿刺活检，在晚期卵巢恶性肿瘤等某些特殊病例的确诊与治疗中具有无可替代的重要作用。
By using a selective medium, four mycoplasma isolates were obtained from swabs taken from the field cases of chronic respiratory disease in chickens.
应用选择培养基，从鸡慢性呼吸道病的自然病例中分离鸡毒霉形体，在棉拭样本中得到四个霉形体分离物。
The results of selective bronchial arteriography in 31 cases were reported.
本文报告31例选择性支气管动脉造影结果。
Methods:222 cases underwent selective or super-selective angiography and in the cases whose lesion was not shown or shown incompletely oblique position was taken.
方法：222例均先作选择性或超选择性造影，对没有显示病变或显示病变不完全的病例加摄斜位；
Methods The embolized treatment of 63 bleeding arteries by selective and super-selective artery embolism in 35 cases with non-carcinoma were performed.
方法35例非癌性咯血患者，总共63支出血动脉进行了选择性与超选择性栓塞治疗。
Methods Streptocoocus mutans and actinomyces in 60 cases of dental root surface caries were studied quantitatively in selective media.
方法用选择性培养基对6 0例根面龋中的细菌进行定量研究。
Ultrasound mediated selective reduction is a relatively safe, effective and microinvasive operation. But reduction operation may induce abortion(s) of fetus(es) in multiple pregnancy in some cases.
超声介导下选择性减胎是一种安全、有效的微创操作技术。
One of these cases was changed in surgical approach and need selective fusion of main thoracic curve, 19 in upper instrumented vertebra and 29 in lower instrumented vertebra.
手术入路改变1例，上融合节段改变19例，下融合节段改变29例，是否行主胸弯选择性融合改变1例。
One of these cases was changed in surgical approach and need selective fusion of main thoracic curve, 19 in upper instrumented vertebra and 29 in lower instrumented vertebra.
手术入路改变1例，上融合节段改变19例，下融合节段改变29例，是否行主胸弯选择性融合改变1例。
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