缺经纺织术语，即断经。
此外，该计划提供了一台电视、投影机、一些电脑、及其他设备给一所经在进行缺碘症预防计划的学校。
In addition, the project supplied a school already conducting programs on IDD with a television, overhead projector, computers, and other equipment.
通过对托克托发电厂的铸钢阀门进行补焊消缺处理，处理的5个阀门经运行两年多的考验，未发生泄漏。
After repairing welding treatment, the 5 treated cast steel valves in Tuoketuo Power Plant have not found any leakage after two years operation.
目的：探讨经食管超声心动图对先天性心脏病房间隔缺损（房缺）定量诊断的准确性。
Objective:To investigate the quantitative diagnostic accuracy of congenital atrial septal defect(ASD) by trans-esophageal echocardiography(TEE).
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