如果行在添加单元格之后不为空，那么您可以在行循环的底部将它附加到根元素。
If the row isn't empty after adding cells, you can attach it to the root element at the bottom of the row loop.
如果status对象不为空，Django就会循环遍历每个status对象并显示相应的文本。
If the status object isn't empty, Django loops through each status object and displays the corresponding text.
如何结合在一个循环中序列号和空吗？
合模油缸的分流切换系统允许高速开合模，使空循环时间最短。
The differential switching system of the clamping cylinder allows high opening and closing speeds and minimal dry cycle times.
前面的例子使用了一个空循环，如果在循环中访问集合元素，会发生什么？
The previous example used just an empty loop, but what happens when the elements of the collection are accessed within the loop?
特别是运输机谱中的地—空—地循环，在裂纹扩展的公式中对裂纹形成寿命的贡献估计不足。
Especially the contribution to crack initiation life of the ground-air-ground circle in the crack growth formula is underestimated under the transport spectra.
设计以两个空的模块取代一个满的模块，以对应开窗方式，和循环核心一起，保证了建筑物的结构。
It alternates one full module with two empty ones, which correspond to the window openings. Together with the core of the circulation, this ensures the building's structure.
在尾管内下封隔器，循环确信尾管环空畅通后下入水泥承留器固井。
The liner was cemented by cementing retainer after its annular was assured expedite by setting packer in liner and making circulation.
在低信噪比情况下，提出了一种基于循环对角码的改进的酉空时码设计。
Based on cyclic diagonal codes, an improved design of unitary space-time codes (USTC) at low SNR is proposed.
提出了一种减小钻井泥浆环空循环压耗的井下工具，介绍了该工具的结构、工作原理、技术参数。
Therefore, a downhole tool that can reduce the annular cyclic pressure loss and introduced its structure, principle of work and technical parameters were put forward.
其次是发电机组卓越的特性：分隔开的进气道和排气道设计，避免了空紊流，使得空气循环更加流畅，静音效果更好。
This was followed by the generating units outstanding features: separation of the inlet and exhaust design, to avoid air turbulence, making more air circulation smooth, quiet better.
根据生产需要，提供了利用氮气循环制冷实现空分设备裸冷的工艺方法，分析了实施过程中的注意问题；
The process of naked cooling with nitrogen cycle refrigeration was proposed according to the producing requirement, followed by some points to note during the naked cooling process.
影响空冷凝汽器换热性能的主要因素是环境大风所造成的热风回流或热风再循环。
The main factor affecting the heat-exchanging performance of direct air cooling condenser is backflow or recirculation of the hot air resulted from the ambient strong wind.
目的评价常温体外循环心脏缓慢空跳术式对心肌保护效果的影响。
Objectives To investigate the effects of the operation on empty beating heart with normothemic cardiopulmonary bypass (CPB) on myocardial protection.
空化水洞一般包括工作段、水流循环系统、溶解气体控制系统和水洞工作段控制系统等几个部分。
It commonly consists of working part, water fluid system, dissolved gas controlled system and working part controlled system.
分析了空分设备闭式循环氮水预冷系统杂质浓缩的原因，提出了处理措施。
Analysis focuses on the reason for impurity concentration in closed-cycle nitrogen-water precooling system of air separation unit. The solution to this problem is also presented.
泵下掺水易形成掺入水空循环、采出液含水高，不利于提高开采效率。
Water blending under pump is bound to cause blended water's circling and high water-bearing of produced liquid, which is bad to enhance oil recovery.
同时使用硅胶干燥剂与动态循环顶空法相结合，可成功地将传感器工作环境的湿度控制在10%以下。
Combination of the dynamic headspace and gas drier, we get the humidity control system which can successfully control the sensor working environment humidity below 10%.
由于空分设备循环冷却水系统水质不好，造成冷水机组、冷却器等内部结垢严重，导致设备运行不稳定。
The substandard quality of circulating cooling-water results in severe fouling inside ice-water plant, cooler, etc. , which then induces unstable operation of air separation unit.
分析单台冷却循环水泵在海勒式空冷系统中的运行状况。
Analysis the operation condition of single cooling CWpump used in Heller System.
目的探讨浅低温体外循环心脏空搏下心内直视手术在先天性心脏病中应用的可行性。
Objective To discuss the feasibility of open heart operation on beating in the congenital heart diseases.
论述了空分设备在煤气化、煤液化和煤联合循环发电中的应用，以及该类型空分设备的流程形式，指出了空分设备在煤化工中的应用前景。
The paper describes the application of coal gasification, coal liquefaction and coal in the combination cycling power generation, as well as the process flow of this type air separation plant.
论述了空分设备在煤气化、煤液化和煤联合循环发电中的应用，以及该类型空分设备的流程形式，指出了空分设备在煤化工中的应用前景。
The paper describes the application of coal gasification, coal liquefaction and coal in the combination cycling power generation, as well as the process flow of this type air separation plant.
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