to the single stage cycle with an expander, a suction line heat exchanger will increase the cooling capacity, but have little effect on cop;

switches examine the source address of frames that are received on the ports to learn the mac address of pcs or workstations that are connected to it.

交换器检验从连接埠所接受的讯框的来源位址，以学习连线到它的那些个人电脑或工作站的MAC位址。

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additionally, unlike other technologies, mpls won't consume your budget because many existing routers and wan switches support the standard.

此外，与其他技术不一样，MPLS不会增加预算，因为很多现有的路由器和广域网交换器支持此标准。

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the packet is then forwarded to the appropriate switches or routers based on the vlan identifier and mac address.

然后根据这个VLAN号码和实体（MAC）位址，这个封包会被送到适当的交换器或是路由器。

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for this default direct exchange ( and only for that) the broker also declares a binding for every queue in the system with the binding key being identical to the queue name.

对这个默认的direct交换器（也仅仅是对这个交换器），协商器将会声明一个绑定了系统中所有队列的绑定器。

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switch a does not have the mac address of router y and will therefore flood the frame out its ports.

交换器A因为没有路由器Y的MAC位址，所以会将这个讯框从所有的埠泛流出去。

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the primary advantage of using a trunk link is a reduction in the number of router and switch ports used.

使用Trunk线路的好处是缩减路由器以及交换器所使用的连接埠。

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compared with zcs pwm boost full-bridge converter, the proposed converter has no current duty loss.

与ZCS PWM Boost全桥交换器相比，所提出的变换器没有电流占空比丢失的问题。

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logical connectivity involves a single connection, or trunk, from the switch to the router.

逻辑连线只使用单一的连接线路，该线路即为Trunk，它连接了交换器与路由器。

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cfd study on the air side performance of an automobile louvered-fin type heat exchanger

车用百叶窗翅片式热交换器空气侧性能的CFD研究

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the mac address will not be aged out automatically by the switch.

MAC位址将不会被交换器自动移除。

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an investigation on vibration frequency of u-tube heat exchanger

U形管热交换器振动频率的研究

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heat balance analysis of high power co_2 laser and calculation to the heat exchanger

高功率CO2激光器热平衡分析及热交换器换热计算

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the combination rule of the method satisfies commutative law and associative law, fully uses information of conflict evidences, and solves three kinds of problems appeared in conflict evidences combination process.

该组合方法满足结合律和交换律，充分利用冲突证据信息，解决了冲突证据组合中的三类问题。

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the basic concept of simplifying the evaluation of the inverse of a matrix with commutative partitioned submatrix is analyzed.

文中提出了服从乘法交换律的分块矩阵求逆矩阵的简化原理；

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study on the defense matrix meeting commutative law of multiplication

防御矩阵满足乘法交换律的证明

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conclusion: sporadic congenital teeth agenesis was often hypodontia, accompanied with delayed permanent teeth eruption. congenital teeth agenesis influences oral health and occlusion.

结论：散发性先天缺牙多为少数牙先天缺失，与性别无明显关系，伴有恒牙埋伏和乳牙滞留，缺牙部位具有随机性，先天缺牙影响口腔健康及咬合关系。

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objectives: to describe retained deciduous teeth condition among residents in fujian province, analyze its distribution pattern, and provide reference for both its clinical treatment and epidemiological situation.

目的：了解福建省居民乳牙滞留状况及分布规律，为临床滞留乳牙的治疗及口腔健康流行病学抽样调查提供参考。

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standard test method for apparent hoop tensile strength of plastic or reinforced plastic pipe by split disk method

用切片法测定环形或管形塑料制品和增强塑料制品表面抗拉强度的试验方法

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patients in the uk taking a non-steroidal anti-inflammatory could benefit significantly from a new drug that offers powerful pain relief as well as protection against stomach ulcers and bleeding.

在英国服用非甾体消炎药的患者能够自提供强效地减轻疼痛并预防胃溃疡和出血的新药中显著获益。

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if there is no obvious deformity and you are not in severe pain, some doctors suggest anti-inflammatories to help you ease the ache and help you rest easier.

如果没有明显的变形，也没有感觉到严重的疼痛，一些医生建议使用消炎药来缓解疼痛，帮助你更好地休息。

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