患者端坐，记录其第4肋间水平胸廓周径在深吸气及深呼气时之差。
Degree of expanding chest The patients sit up straight to record the difference of level thorax round diameter between the deep inspiration and deep expiration in the 4th lib.
影响上颌第三磨牙牙根型的主要因素是牙冠最大周径，而不是牙尖型；
The main fact to influence the types of roots of Maxillary third molar was the largest circumference of crown, not the types of cusps.
以造模前后的距小腿关节周径差值作为痛风性关节炎大鼠关节肿胀度。
So the swelling level of joint in rats with gouty arthritis was taken as perimeter margin of talocrural joint before and after model establishment.
结果经治疗后实验组患者大小腿周径缩小，与治疗前和对照组比较差异有显著性意义（P〈0．01）。
Results There was significant difference compared with those of the control group and before the treatment( P < 0.01).
按消化道和非消化道疾病进行比较，体重身高指数（WT/HT）、上臂周径（AMC）在中年组有显著差异（P<0.05）。
The results for WT/HT, AMC were of significance in meddle aged group when digestive tract and nondigestive tract disorders were compared (P<0.05).
科学博士，公共卫生学硕士SarahRosnerPreis和她的同事建立这样的理论：上身脂肪（通过测量颈部周径判断，）也增加心脏风险。
Sarah Rosner Preis, ScD, MPH, and colleagues theorized that upper-body fat, as measured by neck circumference, also raises heart risk.
孕12周后，因胎儿身体屈曲，以胎儿顶臀径推算孕龄已不够准确。
The crown-rump length becomes less accurate after 12 weeks in determining gestational age because the fetus begins to curve.
于支架植入前、植入后1周及6 ~9个月期间，分别对患者的气道狭窄段腔径、气促指数及肺功能进行测定，以评价金属支架植入疗法对改善患者肺通气功能的效果。
Before stenting and 1 week, 6 ~ 9 months after stenting, the lumen of stenosis segment, Borg index and pulmonary function were measured to evaluate the improvement of ventilation function.
基于可反映桩基荷载传递性状的“套叠”式桩周土变形模式和弹性理论，将等直径部分和扩径体部分桩周土分段建立位移方程，推导了桩身带有扩径体的非刚性和刚性DX抗拔桩的荷载-位移关系的解析解。
Based on the elastic theory and the overlapped-form strain mode of the soil, the paper deals with an analytical solution for the load-displacement relationship of non-rigid and rigid DX pullout pile.
POD活性与树高、干周、冠径、树冠体积呈显著负相关，与砧木的矮化性呈负相关。
The POD activity have a strikingly negative relationship with the height of tree, trunk girth, diameter of crown, the volume of the tree crown, and the dwarfed nature of the stocks.
在线性加载的情况下，考虑了扰动区土体水平渗透系数抛物线变化以及桩周土体的径、竖向组合渗流，给出了该问题的控制方程以及解答。
OADC with consideration on the gradual variation of horizontal permeability of soil in disturbed zone is greater than the one without considering the horizontal permeability variation.
方法采用实时超声对75 0例妊娠16～40周正常孕妇的胎儿心脏及胸腔径线的测量和面积计算，并得出每一孕龄组的胎儿心脏面积与胸腔面积的平均比值。
Methods Among 750 normal pregnant women with gestational ages from 16 to 40 weeks underwent ultrasonographic measurement of the fetal heart and chest diameters and areas.
方法采用实时超声对75 0例妊娠16～40周正常孕妇的胎儿心脏及胸腔径线的测量和面积计算，并得出每一孕龄组的胎儿心脏面积与胸腔面积的平均比值。
Methods Among 750 normal pregnant women with gestational ages from 16 to 40 weeks underwent ultrasonographic measurement of the fetal heart and chest diameters and areas.
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