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Based on two critical indexs: the workspace and driving-angle, a method is presented to determine the geometry parameters of the parallel mechanism.
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综合考虑机构工作空间和机构传动角,提出了一种机构尺寸设计的新方法。 |
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Based on two drill holes with known geological conditions and adopting relative phase wave, the authors obtained two diametrically different types of IP relative phase sounding curves for orebodies and carbonaceous beds respectively, which can be used to
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摘要根据矿山提供的两个已知地质条件的钻孔,采用激电组合波相对相位测深法获得了在矿体上和炭质层上两种完全不同类型的激电相对相位测深曲线,不仅可以区分异常性质,而且可以空间定位。 |
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Based on two-dimensional muti-classs continuous equlibrium assignment model, a new model using triangle finite element technique is proposed to solve the sensitivity analysis problem of regional transportation pivots.
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摘要在二维连续空间多类型平衡配流模型的基础上,采用三角形单元有限元离散方法,建立了区域交通枢纽设施敏感性分析的一般模型,并给出了常用指标的敏感性计算公式。 |
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Based on underwater vehicle's nonlinear differential equation and observation equations, swarm intelligence algorithm is used to identify ten hydrodynamic parameters from simulation observed data of the motions of underwater vehicle.
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摘要通过水下航行体的状态方程和试验观测方程,利用智能辨识技术对水下航行体的模拟运动数据进行了仿真辨识,求得了10个水动力参数。 |
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Based on uniaxial penetrating test, the effects of aggregate gradation, aggregate physical properties, asphalt binder properties, asphalt content, air void and homogeneity on shear resistance of asphalt mixture were investigated directly at 60℃.
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摘要为了研究沥青混合料抗剪强度的影响因素,基于单轴贯入试验,在温度为60℃时,直接对集料级配、集料性质、沥青性质、含油量、空隙率以及均匀对沥青混合料抗剪强度的影响进行研究。 |
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Based on value Platonism and value absolutism, leaning to value naturalism and value relativism, which throwing out the theory corner and theory endeavor of breaking away from the corner of Hartmann's axiology and the whole value Platonism.
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立基于价值柏拉图主义和价值绝对主义,又摆向价值自然主义和价值相对主义,显示了哈特曼价值论乃至整个价值柏拉图主义的理论困境及摆脱困境的理论努力。 |
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Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to Fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration for
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依据振动理论建立了具有弹性支撑的输出轴的动力学分析模型,根据周期函数的傅里叶级数展开原理,将复杂的激振力分解成为多个频率成整倍数关系的简谐激励函数,导出了动态响应表达式,结果表明,当载荷分配不均匀系数为1.0时的输出轴两端支撑同步。 |
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Based on warming experiments using greenhouses, biologists have known for some time that shrubs will grow at the expense of the other tundra plants when the climate warms.
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透过在温室进行的暖化实验,生物学家已经知道:当气候温暖,灌木会在苔原植物受损时取而代之。 |
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Based on wave propagation theory, the wave solution of a simply supported beam with a crack is investigated.
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摘要基于结构振动波传播理论,讨论了在简谐力作用下,裂纹简支梁的弯曲波动解。 |
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Based on what inspired Marx from his reading of Hegel's Logic concerning three stages dealing with concept, this paper presents the author's reflection to the lessons left by practicing dogmatism.
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摘要从黑格尔《逻辑学》关于概念三环节的论述对马克思的启示,谈到对自己的教条主义教训的反思。 |
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Based on what my teacher offered me, I ought to spare no effort to repay her kindness.
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基于老师给与我的,我应该(不遗余力地)报答他的善良。 |