应用微元法给出了在三维欧氏空间中质量曲线和质量立体对任意一条直线的转动惯量的计算公式，并给出了对坐标轴的转动惯量的简化计算公式。
Via an infinitesimal method, the author offers a computing formula for the moment of inertia of mass curves and mass cubes against any straight line in Euclidean space.
结果得出了不同轴向载荷和不同质量比下的无量纲流速与无量纲频率的关系曲线。
ResultsIn case of various axial loads and mass ratios, various curves between dimensionless fluid flow velocity and dimensionless complex frequency are plotted.
合理地设计冻干曲线及保证冻干产品质量是该工艺的研究方向。
It is a direction of the technological research to design the reasonable freeze drying curves and assure the quality of freeze drying products.
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