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- An amount or length measured in yards. 按码测量的数量或长度
- He had a12-foot length measured off from a piece of oak. 他让人从这块像树上锯下12英尺长的木块。
- Absent or shortened nasal bone length and the detection of down syndrome in second-trimester fetuses. 缺失或缩短的鼻骨长度和中期妊娠胎儿患唐氏综合症的检测。
- The Unit structure represents a length measurement that can be expressed in any HTML-compatible size unit. Unit结构表示可以用任何与HTML兼容的大小单位表示的长度度量。
- They could be also used to other laser interferometers for high-grad length measurement. 这些传感器同样可用于其他高准确度长度测量的激光干涉系统中。
- It is very valuable for accurate length measurement with Fizeau interferometer and Fabry-Perot interferometer. 对于指导精密测长的实验和研究工作具有十分重要的意义，也是对相移算法理论的重要补充和完善。
- He had a 12-foot length measured off from a piece of oak. 他让人从这块像树上锯下12英尺长的木块。
- The errors of intraocular lens power calculation may be caused by inaccurate axial length measurement or unstable keratometric reading. 摘要造成人工水晶体度数计算之误差的主要因素为不正确眼轴长及角膜曲度之测量。
- The ROOT ZX is more accurate in root canam length measuring. ROOTZX全自动根管长度测定仪测定根管长度的准确性较高
- CONCLUSION: Nasal bone length expressed as MoM seems to be an useful ultrasound marker for Down syndrome in second-trimester fetuses with a high sensitivity and a low false-positive rate. 由鼻骨长度得到的MoM值看起来是一个很有用的超声标记,用于预测中期妊娠胎儿是否患有唐诗综合症有很高的敏感度和低的假阳性率。
- Length measured between f_laps, straighten to measure. 翼片之间的实测长度，拉伸后测量。
- They received ultrasound scan at about 28th weeks and 38th weeks to measure fetal head circumference(HC),abdomen circumference(AC),femoral bone,humeral bone length(FL,HL)and biparietal diameter(BPD). 于妊娠28周及38周左右行两次B超检查,测量胎儿双顶径、头围、腹围、股骨及肱骨长度,并用两次测量之差值反映胎儿孕晚期的生长情况。
- Based on image processing the theory, hardware and software of the length measurement and control system in the untouched length continuous casting slab system are introduced. 介绍了基于图像处理的无接触式连铸板坯测长系统的工作原理、硬件构成和软件编程。
- A unit of measurement of the refractive power of lenses equal to the reciprocal of the focal length measured in meters. 屈光度透镜或棱镜折光率的一种量度，等于以米计算焦距之倒数
- Radiography for bone length studies X线摄影[术] 用于骨长度研究
- The feasibility of taking strained-wire as navigating datum line of dummy guide-way was analyzed in laser length measurement system, and working principle of the system was presented. 对以张力金属丝作为激光测长系统虚拟导轨导航基准的可行性进行了分析,给出了系统的工作原理。
- Change in bone length of carpals and metacarpals 腕骨和掌骨长度改变术
- Change in bone length of clavicle 锁骨长度改变术
- Change in bone length of humerus 肱骨骨长度改变术
- The most advantage of this bunch length measurement system is realtime measuring the bunch length, so the system can provide the important reference for the accelerator study. 这种束团长度测量系统最大的好处就是可以在线实时的测量束团长度，为加速器研究提供重要的参考。
