多部位梗死多于单部位梗死，后循环近段、远段同时梗死或远段梗死者，预后不良，基底动脉主干阻塞预后差。
Patients had poor prognosis with simultaneous proximal and distal territory involvement in the posterior circulation, and patients who had basilar artery occlusive lesions had very bad prognosis.
如为单侧肾脏病变阻塞部位位于输尿管及以上，如结石、肿瘤或较少见的炎症所致的狭窄。
If unilateral, it may be due to obstruction at the level of the ureteral orifice and above, as from a calculus or neoplasm, or less commonly a stricture from inflammation.
临床上，病人多为男性，年龄在40 - 60之间，最常见的主诉是单侧鼻腔阻塞、不通气，鼻出血、嗅觉异常、鼻漏及疼痛。
Clinically, the typical patient is a male between the ages of 40-60 years. The most frequent complaints are unilateral nasal obstruction, stuffiness, epistaxis, dysosmia, rhinorrhea and pain.
以单电子晶体管为研究对象，系统阐述了库仑阻塞、库仑台阶、单电子隧穿等物理现象的产生机理。
The generation mechanisms of these physical phenomena of Coulomb blockade, Coulomb staircase, single electron tunneling were described with single electron transistor(SET) as the research object.
目的30例TMJ强直伴阻塞性睡眠呼吸暂停综合征（OSAS）患者，单侧TMJ强直18例，双侧强直9例，TMJ强直术后3例。
Objective 30 cases of TMJ ankylosis with OSAS, unilateral ankylosis in 18, bilateral ankylosis in 9 and all with micrognathia.
单侧鼻阻塞组与对照组相比仅下颌体长度、下颌磨牙高度、股骨长度有统计学差异。
Results The subjects with bilateral nasal obstruction showed significant reduced mandible and femur in size compared to unilateral nasal obstruction group and control group.
单侧鼻阻塞组与对照组相比仅下颌体长度、下颌磨牙高度、股骨长度有统计学差异。
Results The subjects with bilateral nasal obstruction showed significant reduced mandible and femur in size compared to unilateral nasal obstruction group and control group.
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