The boy has a rare and potentially fatal condition called Long Segment Congenital Tracheal Stenosis, in which patients are born with an extremely narrow airway.
这个男孩患有一种罕见的称为“先天性长段气管狭窄”的有潜在致命性的疾病，这让他从出生就有较常人非常狭窄的气道。
The scale of each segment is determined not by the limits of the material, but by the narrow doors of the historic V&A building.
每部分构件的尺度并非受到材料的限制，而是取决于V&A博物馆狭窄的入口通道。
A mathematical model of the optimal design of centrifugal fans in the narrow space, which include non-perfect segment volutes and uneven entrance airflow, is given in this paper.
本文介绍了在狭小空间内(可具有分段非完善蜗壳及风机不均匀进气等)进行离心式风机优化设计的数学模型。
The process of large deviation is divided up into several segments in modeling the engine. Each segment is represented by a narrow range operation.
在建立发动机模型时将大偏差过程分取了若干段，对每一小段分别用相应的小偏离动态过程的数学模型表示。
IVP inspects 6 cases, prompts the ureter lower segment to be narrow, the ureter upside expands, kidney water 4 cases.
IVP检查6例，均提示输尿管下段狭窄、输尿管上段扩张，肾积水4例。
IVP inspects 6 cases, prompts the ureter lower segment to be narrow, the ureter upside expands, kidney water 4 cases.
IVP检查6例，均提示输尿管下段狭窄、输尿管上段扩张，肾积水4例。
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