Plane is the mechanical base of geometrical accuracy and a lot of references such as plate, level and square, etc. are evolved from the plane.
几何精度的机械技术基础是平面，由平面可演变出基准平尺、平板、方尺等精度基准。
This paper discussed the existing teaching problems in mechanical base experiments and put forward a basic thought of teaching reform on mechanical base experiments.
论述目前机械基础系列课程实验教学中长期存在的问题。
The study of the mechanical properties of cement concrete pavements is the base of the structural design of pavement.
水泥混凝土路面的力学性能分析是路面结构设计的基本依据。
Seam surface defect after grinding or thickness is lower than base material after mechanical treatment.
打磨焊缝表面缺陷或机械损伤后的厚度小于母材的厚度。
Welding electrodes and wires shall have chemical compositions and mechanical properties equal to or of higher grade than the base material.
焊条及焊丝的化学成分及机械性能应同母材的等级相同或更高。
Results The mechanical properties showed that there was no significant differences in two groups, the microwave-cured denture base resins had more dimensional accuracy.
结果微波能固化的基托材料的力学性能与水浴法相比无显著性差异，但具有更好的尺寸精确性。
The ways and the mechanisms of grain refinement in Cu-Base shape memory alloys are especially described. The effect of grain refinement on mechanical and memorial properties are discussed.
介绍了铜基形状记忆合金的晶粒细化方法及机理，论述了晶粒细化对铜基形状记忆合金力学性能和记忆性能的影响。
On the microscopic analysis base, it is researched by experiment on the physical and mechanical characteristics of paste-like binging material.
在微观分析的基础上，对似膏体充填用胶凝材料的物理力学特性进行了试验研究。
The rod pumping is the predominance mechanical recovery mode in world petroleum production, the system dynamical simulation is the base of system efficiency analysis and optimum design.
有杆泵抽油是世界采油工程中一直占主导地位的机械采油方式，系统动态模拟是系统效率分析和优化设计的基础。
There is China's largest flower trading base for China's "flower first town," said, there are large-scale mechanical trading market and logistics center.
有中国最大的花卉交易基地，有中国“花卉第一镇”之称，也有较大规模的机械交易市场和物流中心。
New type cemented carbide of ternary complex boride base prepared by reaction boronizing sintering technique has excellent physical, chemical and mechanical properties.
反应硼化烧结法制备的三元复合硼化物基新型硬质合金，具有优良的物理、化学、力学性能。
Technique of finite element method is the important base of theory and powerful tool in mechanical dynamic design.
有限元技术则是机械产品动态设计和动态分析的重要理论基础和强有力的工具。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
Meeting requirement of the mechanical pressure angle, the minimum base radius of a plate cam for oscillating follower is determined by the 0.618 optimization method.
在满足机构许用压力角条件下，采用0．618法最优确定盘状摆动凸轮机械的最小基圆半径。
As a part of pavement structure, the mechanical behavior of asphalt treated permeable base (ATPB) affects the performance of roadway directly.
沥青稳定碎石排水层作为路面结构的一部分，其力学性能直接影响整个路面的使用性能。
Objective: To study the mechanical properties of microwave cured polymethylmethacrylate (PMMA) denture base resins.
目的：探讨微波加热法处理聚甲基丙烯酸甲酯(pmma)基托材料的力学性能。
It completes the functions of gathering and measuring breaker's mechanical character parameter, and it is the base of the test instrument.
它主要是对断路器机械特性参数进行测量、处理，是测试系统的基础。
The hydrostatic pressure explosion test on vessel indicates tha both base metal and weld metal have good comprehensive mechanical properties.
容器的液压爆破试验证明，母材和焊接接头具有良好的综合力学性能。
The contradiction between mechanical characters, secondary pollution and cost by optimal design can be solved, which will lay a base to establish systemic solidification theory.
通过对固化处理进行优化设计可以解决力学性质、二次污染以及造价三者之间存在的矛盾，为建立系统的固化理论奠定了基础。
Elastomeric modified cast double base (EMCDB) propellant, which has good mechanical properties and plateau burning-effect, has been first successfully prepared by granule-casting in China.
在国内首次用粒铸工艺制备出了力学性能好、具有燃烧平台的浇铸改性双基弹性体(EMCDB)推进剂。
The major factors to affect windthrow contain the biologic mechanical attribute of tree, the mutual action of soil and base, disturbance of wind and so on.
影响风倒的主要因素包括林木的生物力学特性、根系与土壤的相互作用和风的扰动等。
The effects of TPUE on the mechanical properties, technique properties, combustion and energy properties of nitramine modified double base propellant are studied.
研究了热塑性聚氨酯弹性体对硝胺改性双基推进剂的能量性能、力学性能、燃烧性能以及工艺性能的影响。
The mathematical and the mechanical model of the structural system of base isolation with restricted absorbers for brick masonry building structure are studied in this paper.
本文建立了砖混建筑结构基础隔震及其限位系统的数学模型、力学模型。
Exact Prediction and calculation of mechanical property and drillability of rock can provide the necessary base for the optimization of bits and designing parameters, thereby quickening penetration.
准确预测和计算岩石的力学性质和可钻性是有针对性地优选钻头、优化设计参数，从而提高钻井速度的重要依据。
Effects of shrinkage-reducing agent on the shrinkage and mechanical properties of cement-stabilized crushed rock base are analyzed through an experimental study by adding the agent to the base.
通过对水泥稳定碎石基层掺加减缩剂的试验研究，分析了减缩剂对水泥稳定碎石材料收缩性能及力学性能的影响。
The mechanical properties of the weld deposit shall not lie appreciably above those of the base metal.
熔敷金属的机械性能不应高于基材的机械性能。
On the base of the rock mechanical properties, the mechanical deformation process of the passive maintained soft rock tunnels was analyzed, the mechanical principle for the active support is raised.
根据岩石的力学性质，分析了软岩巷道被动维护变形的力学过程，提出主动支撑的力学原理。
OBJECTIVE: To observe the effects on the mechanical properties of denture base resin polymerized by different methods.
目的：观察快速和传统方法聚合热凝基托树脂后其力学性能的变化。
The effect of infiltration process on the microstructure and properties of iron-base materials with high alloying elements content was studied by metallography, SEM and mechanical property tests.
采用光学显微镜、扫描电镜观察和力学性能测试研究了熔渗处理对高合金铁基材料显微组织和性能的影响。
The mechanical properties of improved double-base propellants enabled one to envisage grain geometrics with large combustion areas and consequently high thrusts .
经过改进的双基推进剂的机械性能使我们能够指望获得大燃烧面的药柱几何形状，从而得到大推力。
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