semi-permanent high

This approach extends the applications of the transfer matrix method, and lays the foundation of semi-analytical and semi-numerical researches on structural vibration and acoustics for revolution shells. ( 4) High-order NMM and its applications in fluid-solid interaction harmonic analysis are also studied.

本文方法扩展了传递矩阵法的应用范围，为旋转壳声弹耦合的半数值半解析分析奠定了基础。（4）本文开展了高阶数值流形法及其在流固耦合谐振分析中的应用研究。

The NBC series SCR control of MIG/ MAG semi-automatic gas-welding machine got "high-tech products Award" and entered a "high-tech enterprises" rank.

研制生产的NBC系列晶闸管控制MIG/MAG半自动气保焊机获国家“高新技术产品奖”，并进入了“高科技企业”行列。

As a commen type of semi-rigid basis, the road base of cement stabilized crushed aggregate ( CSCA) has many characteristics, such as high strength and high water-stability.

水泥稳定碎石基层作为一种常用的半刚性基层类型，具有强度高，承载力大，水稳定性好等优点。

Semi-submersible heavy lift vessel has the special and powerful function based on high-tech requirement and key construction technology. It is hard for design and construction of such vessels with the high-technical requirement.

半潜运输船的特殊强大功能都是以其高科技含量和关键建造技术为支撑的，设计和建造该类船的技术难度大，门槛高。

Due to the special properties of semi solid metal, lower processing temperature compared to that of liquid metal and lower yield strength compared to that of solid metal, it provide a possibility for the thermal precise forming of metal with high efficiency and low consumption.

由于半固态金属具有特殊属性，即加工温度低（与液态加工比）、变形抗力小（与固态加工比），为高效、低耗实现金属热精密成形提供了一种现实可能。

The microstructure and thermal plasticity of the semi-solid M2 high speed steel billets prepared by cooling slope method have been investigated.

法制备出M2高速钢半固态铸坯，并对其微观组织和热塑性进行了研究。

In this paper, the problem of penetrating into semi-infinite thick target is divided into rigid projectiles penetration, high-speed long rods penetration, and penetration problems that impact speed changes in large range. Theoretical analysis and numerical simulations are carried out systematically to study these problems.

本文针对侵彻半无限厚靶问题，将其划分成刚性弹侵彻、长杆弹高速侵彻、大范围着速的侵彻问题等方面，系统地开展了理论分析和数值模拟研究。

The results show that the semi-physical simulation platform operates stably, and can become a good test platform for high-speed train design and unit functional verification to meet the needs of the scientific research and experiment.

平台的仿真结果表明，本文所设计的高速列车网络控制系统半实物仿真平台运行稳定，可为高速列车的系统设计、单元功能验证提供了良好的测试平台，能够满足科研和实验的需要。

The effect of semi-rigid base layer conditioning period, high penetration emulsified asphalt spread temperature and conditioning temperature to the penetration effect were also analyzed. Furthermore, the shear strength test between surface and base layers were utilized to obtain the optimal content of high penetration emulsified asphalt.

并分析了基层养生龄期、高渗透乳化沥青洒布温度、养生温度等因素对渗透效果的影响。其次，进行了基层与面层间抗剪强度试验，得到了高渗透乳化沥青最佳用量。

" No, dear,'she said, " it won't sell high till we've had the first semi-annual dividend.

“ 不行, 亲爱的, ” 她说, “ 在咱们分到头半年的红利以前,股票卖不出好价钱.