The researchers say the strengths of their study are that it included a large cross-section of the control population, and the diagnosis of asthma was on standard guidelines.
研究人员所他们研究的强度是该研究包含了一个大型的对照组人群横截面，同时哮喘诊断采用了标准的诊断指南。
Control valve is a pipe attachment, which is used to change the channel cross-section and flow direction, the control flow of a medium transport device.
调节阀是一种管路附件，它是用来改变通路断面和介质流动方向，控制输送介质流动的一种装置。
The technology can be used to keep cross-section excavation in control and improve explosion level.
该技术在控制断面超欠挖，提高光面爆破水平效果明显。
It requires high level for manufacturing technology and welding deformation control because the structure of cross-section is special.
十字形断面柱的结构特殊，对制作工艺及焊接变形控制要求较高。
So temperature field measurement of the cross-section plays an important role in realizing automatic control of sintering process.
因此，烧结断面温度场的检测对实现整个烧结过程的全面自动化具有重要的意义。
Based on the demands of two limit states, the design control equations of cross section for prestressed concrete beam are derived and the direct design method is presented.
根据两类极限状态的基本要求，建立了预应力混凝土梁截面设计的控制方程，提出了直接设计方法。
Through the research of cross-section shape control methods, scale vector is finally chosen to be applied as the control technique for shape optimization.
通过对截面形状控制方法的研究，选择比例向量法对截面进行优化控制。
For plasma torus with elliptical cross-section, a feedback system with conducting shell and active control coils has been suggested.
我们取等离子体截面为椭圆，反馈系统由导壳和主动反馈线圈构成。
This paper introduces the working principle of GPS measurement system of RTK in the real-time and dynamic state and its application in survey of the control cross section of Jingjiang.
本文介绍了RTK实时动态gps测量系统的工作原理及其在荆江河控断面测量中的应用情况。
The reduction rate of the myocyte diameter and the cross section in the right lower limb was slower significantly than that of the control side.
肌细胞直径及截面积，电刺激侧较对照侧肢体下降速度明显减慢；
It is simple and convenient and of speediness, and good quality control using the variable cross-section climbing form for chimney construction.
用变截面提模施工烟囱，简单易行，设备简便，速度快，质量有保证。
It is simple and convenient and of speediness, and good quality control using the variable cross-section climbing form for chimney construction.
用变截面提模施工烟囱，简单易行，设备简便，速度快，质量有保证。
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