理论上来说，IEnumerable接口可对集合添加对象，但是由于它的阻塞性所以不能在异步操作中进行。
Theoretically, the IEnumerable interface could be used to add objects to a collection, but it can't be used in asynchronous operations because it blocks.
本文用突变理论讨论了交通阻塞行为。
This paper discusses the behavior of traffic jams with catastrophe theory.
根据实时电价理论，输电阻塞是产生节点电价差别的主要因素。
For most transmission, large differences in locational prices would be dominated by the difference in congestion costs in terms of theory of the Spot Pricing of Electricity.
通过建立一个基于组合数学中容斥原理的理论模型，分析了波分复用网络中组播的阻塞率。
A theory model, based on the inclusion-exclusion principle from combinatorics, was built to analyze the multicast blocking probability in WDM (wavelength division multiplexing) network.
理论分析结果表明，下一次呼叫阻塞率不仅和位置更新失败率、呼叫移动比有关，还与前一次呼叫状态有关。
It is shown that the next call blocking probability is related to location update failure probability, call to mobility ratio and the previous call status.
按照阻塞程度、阻塞时间及变动的需求流量等已知条件，采用车流波动理论推算排队向上游延伸的最远距离。
A traffic flow wave theory is used to calculate queuing length according to different crowded level, crowded time and variant demand volume.
针对由通信问题而引起网络阻塞的现象，从理论分析入手，详细讨论了阻塞产生的原因以及解决的方法，最后利用实验和实例验证了方法的正确性。
The network blocking causes are discussed and a method is presented to solve the problems through the use of theoretical analysis. The suitability of the method is demonstrated in an example.
理论基础：阻塞性睡眠呼吸暂停(OSA)可引起危险的心血管并发症，包括心肌梗塞和中风。
RATIONALE: Obstructive sleep apnea (OSA) is associated with adverse cardiovascular outcomes, including myocardial infarction and stroke.
目的：从理论上，对慢性阻塞性肺疾病寒饮蕴肺证进行系统的阐释与论证，以丰富寒饮蕴肺证理论。
Objective: This thesis expounds systematically the theoretic problems about the syndrome of accumulation of cold fluid in the lung in asthma to enrich the theory of the syndrome.
证明气肿腔与其近端呼吸性细支气管和细支气管相通，未见狭窄或不完全阻塞，提出开放性肺气肿的新理论。
It is seen that enlarged air Spaces is communicated with proximal respiratory bronchioles and bronchioles, no narrow or incompleted narrow bronchiole were found.
证明气肿腔与其近端呼吸性细支气管和细支气管相通，未见狭窄或不完全阻塞，提出开放性肺气肿的新理论。
It is seen that enlarged air Spaces is communicated with proximal respiratory bronchioles and bronchioles, no narrow or incompleted narrow bronchiole were found.
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