双层结构的

Structured on different levels, it doubles up as an amphitheater.

结构贯穿不同的层，形成一个双层的空间。

Firstly, general mechanical displacement and a dispersion equation are derived by solving elastic field equations with continuity boundary condition.

本文推导了双层声波导结构乐甫波传感器的频散方程和质量敏感度。

Boards are made of fine cold rolled steel, and it is double-layer. The inner layer contains high capacity of bubbled heat preservation materials that could lower the blower's noise and reduce vibration of the running fan.

箱板用优质冷轧钢板压折制成，为双层板结构，内部夹层藏有高性能发泡保温材料，可以降低风机噪声，减少风机在运行当中产生的震动。

Also the actuator has been used to active structure vibration control of double-layer spherical reticulated shell; the results show that the actuator is very effective.

对该类作动器在双层网壳结构振动主动控制中进行了分析，验证了该作动器的控制效果。

The calculation result of theory is validated by stationary wave tube experiment.

在此基础上，总结了单层和双层微穿孔板结构声阻抗以及吸声系数的计算方法，利用驻波管实验对理论计算结果进行了验证。

This paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real-time or remote distance,the basic project,structure,applications and functions of computerized SCADA system in hydraulic system of vessel gate is introduced.A double layer network structure,Epigynous and hypogynous machine network,is applied to this system.In accord with the application of technique such as PLC,integrated software etc,this paper introduces the methods and application to achieve the computerized SCADA system in the task,and analyzes the characteristic of this system.

另外，本文提出了建立船闸控制系统的分布式控制系统，介绍了船闸液压控制系统的计算机监控系统的方案、结构、应用和主要功能，采用双层网络化结构：上位机网络和下位机网络，并结合PLC通信网络技术和组态软件等技术构成的计算机监控系统的实现方法，实际应用，分析了这种较新的系统模式在船闸液压控制系统的计算机监控系统的功能实现中所具有的特点。

In order to study the dynamic and instability rule and gain a damping evaluation method according to the test result, damping research ways of several foreign and domestic foil bearing types were compared. The interaction among cells was considered based on the approach of separating damping from stiffness. An effective damping evaluation method was developed based on the energy dissipation method. The structural damping of two-layer free plate foil bearing was analyzed on the basis of energy dissipation method.

为了更好地研究箔片轴承的动特性和稳定性，得出与实验结果相符合的评价方法，首先对国内外几种有关箔片轴承库仑阻尼的研究方法进行了比较，根据阻尼和刚度分离评估的思想，考虑箔片之间和箔片单元之间的相互作用，基于能量耗散的思想提出了一种有效的箔片轴承阻尼评估方法，最后对双层同向自由平箔结构箔片轴承的结构阻尼进行了详细分析和数值比较。

The cohesive and adhesive strengths of plasma-sprayed hydroxyapatite coatings were strengthened by respectively, adding ZrO2 particles as a reinforcing second phase (HA+ZrO2 composite coating), and using an intermediate ZrO2 layer between the HA coating and the Ti alloy substrate as a bond coat (two-layer HA/ZrO2 coating).

中文摘要本计画之目的在探讨电浆熔射HA 涂层的主要结构弱点，除了电浆熔射HA+ZrO2复合涂层系统以外，另外在HA 与钛合金基材间引入ZrO2涂层当作介层，形成电浆熔射HA/ZrO2双层涂层系统。

The cohesive and adhesive strengths of plasma-sprayed hydroxyapatite coatings were strengthened by respectively, adding ZrO2 particles as a reinforcing second phase (HA+ZrO2 composite coating), and using an intermediate ZrO2 layer between the HA coating and the Ti alloy substrate as a bond coat (two-layer HA/ZrO2 coating).

本计画之目的在探讨电浆熔射HA 涂层的主要结构弱点，除了电浆熔射HA+ZrO2复合涂层系统以外，另外在HA 与钛合金基材间引入ZrO2涂层当作介层，形成电浆熔射HA/ZrO2双层涂层系统。

The effects of the structure properties of the window upon the of sound transmission loss are also studied.

同时，对双层窗结构本身性质对传声损失的影响也进行了研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。