X-ray positive rate is significantly higher than the positive rate of signs.
线阳性率明显高于体征阳性率。
She was scouring for signs of something positive, anything that would offer a ray of hope or light for her situation.
她在搜寻一些正面的信息，任何能使她的处境变回希望和光明的东西。
Dr Hess envisages a ray of light travelling down an optical fibre made from two materials: a core with a negative refractive index and an outer sheath with a positive one.
赫斯博士构想出一个画面，即一道光正穿越于一个由两种材料制作的光导纤维，一种是具有正折射指数的纤维核，另一种则是具有正折射指数的外围。
Conclusion: Marrow morphology and X-ray were good methods for diagnosis of NB, B ultrasonic and CT can improve positive incidence.
结论：骨髓细胞形态学和X线检查是诊断nb的较好方法，B超、CT可提高肿瘤检出率。
Wall Street initial reaction to the conference was "extremely positive, " Barron's Tiernan Ray reports.
华尔街对这次会议的反应“极其积极”，巴伦的TR报道。
Among them there were 14 patients with ROD, in which all the skeletal imaging results were abnormal, versus X ray ones of only 4 patients were positive.
在其中确诊的14例肾性骨营养不良患者中，骨显像结果全部为异常。X线检查只有4例为阳性。
Methods To analyse X-ray images of lumbar vertebrae positive side and left-right oblique position plain films and CT images (only 24 cases) of 82 patients.
方法对82例椎弓完整性腰椎滑脱症的正侧位、双斜位X线平片及CT图像(24例加作CT扫描)进行分析。
Results Positive rate of X-ray of diagnosis renal colic as urolithiasis was 20%, and that of ureteroscopy was 90%.
结果X线对肾绞痛的尿石阳性发现率为2 0 % ，输尿管镜的阳性率为90 % ；
The latter particles are indeed introduced in the theory of positive beta-ray emission;
后者其实是在正贝塔射线的放射理论中被提出来的。
The X-ray, B-showed no stones present patients, 12 patients out of red blood cells urine sediment microscopy, 21 cases of urinary occult blood test positive.
经X线、B超结果无结石存在的患者中，有12例尿沉渣镜检出红细胞，21例尿隐血实验阳性。
Abdominal puncture positive rate was 75%. X-ray examination showed the positive rate of subdiaphragmatic free air which was 62.5%. CT scan showed hydrops abdominis positive rate was 75%.
结果所有患者均有不同程度的腹痛和腹膜刺激征，腹穿阳性率为75%，X线检查提示膈下游离气体阳性率62.5%，CT检查提示腹腔积液阳性率75%。
Objective: To analyze the difference characteristics of X-ray findings in active pulmonary tuberculosis with smear positive and smear negative.
目的：分析活动性肺结核有关X线征象的特征。
Objective: To analyze the difference characteristics of X-ray findings in active pulmonary tuberculosis with smear positive and smear negative.
目的：分析活动性肺结核有关X线征象的特征。
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